René's URL Explorer Experiment


Title: KosherJava – A blog about Zmanim

Open Graph Title: KosherJava

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Description: A blog about Zmanim

Open Graph Description: A blog about Zmanim

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Opengraph URL: https://kosherjava.com/

X: @KosherJava

Generator: WordPress 6.9

direct link

Domain: kosherjava.com


Hey, it has json ld scripts:
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            "name": "Comment by Aaron on April 11, 2024",
            "description": "Thank you for the article. While not a programmer, I found this while trying to find answers to an issue…",
            "text": "Thank you for the article. While not a programmer, I found this while trying to find answers to an issue I had with an Android Zmanim app. It explains issues I had in Jerusalem about a month ago. I sent a message to the app author who will hopefully fix it before the next time there is a difference between the time zones. \u05ea\u05d6\u05db\u05d4 \u05dc\u05de\u05e6\u05d5\u05d5\u05ea",
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            "name": "Comment by Haham Bashi on June 19, 2024",
            "description": "Very interesting article. I don’t know what the second half of 2024 will be like, but this years with only…",
            "text": "Very interesting article. I don’t know what the second half of 2024 will be like, but this years with only one update so far seems to have the lowest number of changes ever.",
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            "name": "Comment by Shlomo Rabinowitz on December 13, 2023",
            "description": "Hi! Thank you for the best open source Zmanim API that has helped so many thousands of yidden around the…",
            "text": "Hi! Thank you for the best open source Zmanim API that has helped so many thousands of yidden around the globe. It is truly an amazing project!!! From my understanding I can choose between the USNO and NOAA algorithm when using the zmanim API, is this correct, and if so, can you point me toward the documentation or tell me how to do it? Thanks so much!!!",
            "dateCreated": "2023-12-13T00:29:09-05:00",
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            "name": "Reply by Eliyahu on December 13, 2023",
            "description": "Shlomo, The relevant method is setAstronomicalCalculator.",
            "text": "Shlomo, The relevant method is setAstronomicalCalculator.",
            "dateCreated": "2023-12-13T05:57:00-05:00",
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            "name": "Reply by Shlomo Rabinowitz on December 14, 2023",
            "description": "Hi, thanks for answering my previous question. Methods in complexzmanimcalculator for erev pesach are returning times. This is in my…",
            "text": "Hi, thanks for answering my previous question. Methods in complexzmanimcalculator for erev pesach are returning times. This is in my output I think it also gave me a candle lighting time. I'm assuming it's because that would the time if it were erev pesach today. In other words, the API just calculates the zmanim without checking if that zman applies that day? Can you please confirm or deny? (Sorry for the silly question, I'm a beginner in both Zmanim and Java, and made a simple program to output all (most) methods from ComplexZmanimCalender.)",
            "dateCreated": "2023-12-14T23:08:49-05:00",
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            "name": "Reply by Eliyahu on December 14, 2023",
            "description": "Shlomo, You are correct. As of the current version, chametz zmanim will be returned on any date. In a code…",
            "text": "Shlomo, You are correct. As of the current version, chametz zmanim will be returned on any date. In a code comment you can see that it is planned for the future. Looking a few lines later you will see that it is already coded but commented out. A change like this would break backwards compatibility and can't be included until v3.0.0. Candle lighting has documentation specific to this scenario.",
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            "name": "Reply by Shlomo Rabinowitz on December 17, 2023",
            "description": "Thanks for the detailed answer and thanks for all your work. (BTW is there an RSS feed or something where…",
            "text": "Thanks for the detailed answer and thanks for all your work. (BTW is there an RSS feed or something where I can keep track of comments on this site)",
            "dateCreated": "2023-12-17T15:47:35-05:00",
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            "name": "Reply by Shlomo Rabinowitz on December 17, 2023",
            "description": "never mind I found it https://kosherjava.com/comments/feed/",
            "text": "never mind I found it https://kosherjava.com/comments/feed/",
            "dateCreated": "2023-12-17T15:53:17-05:00",
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            "name": "Comment by Moishe on February 14, 2024",
            "description": "Eliyahu, tanks for the great library. It helps me a lot. I just downloaded the latest 2.5.0 version from Gradle…",
            "text": "Eliyahu, tanks for the great library. It helps me a lot. I just downloaded the latest 2.5.0 version from Gradle using: implementation group: 'com.kosherjava', name: 'zmanim', version: '2.5.0' and found that the code is not the same as in GitHub. For example: AstronomicalCalendar class in downloaded version is missing getSolarMidnight() method.",
            "dateCreated": "2024-02-14T17:33:41-05:00",
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            "name": "Reply by Eliyahu on February 14, 2024",
            "description": "Moishe, Thanks for reaching out. v2.5.0 was released on 2023-06-09. The example that you point out is listed in the…",
            "text": "Moishe, Thanks for reaching out. v2.5.0 was released on 2023-06-09. The example that you point out is listed in the CHANGELOG as being part of the future v2.6.0 release. You can see the full list of changes that includes this in the list of the KosherJava commits in GitHub. Once something is formally released, I have to support it long term, and I try to avoid rushing releases unless there is an important bug fix. Let me know if this answers your question.",
            "dateCreated": "2024-02-14T17:44:06-05:00",
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            "name": "Reply by Moishe on February 15, 2024",
            "description": "Thanks Eliyahu I ended up building local library from your GitHub and installing into my gradle.build as a local file.…",
            "text": "Thanks Eliyahu I ended up building local library from your GitHub and installing into my gradle.build as a local file. Everything wars fine. needed that feature from 2.6.0 in order to calculate Shabbos times for Alaska.",
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            "description": "In an earlier Inflight Zmanim Calculations – Why So Complex? post, I outlined the complexity of calculating zmanim for flights. Back in Aug 2022, Dan's Deals posted the exciting news that Zmanim were added to El Al's flight entertainment system. This had not been formally announced by El Al at...",
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            "name": "Comment by Simcha Shain on April 19, 2023",
            "description": "Chazak Ubaruch Eliyahu",
            "text": "Chazak Ubaruch Eliyahu",
            "dateCreated": "2023-04-19T18:40:01-04:00",
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            "name": "Comment by Shmari on April 19, 2023",
            "description": "Too bad I mostly fly United and Air Canada. You can tell them that their top tier travellers would appreciate…",
            "text": "Too bad I mostly fly United and Air Canada. You can tell them that their top tier travellers would appreciate this feature.",
            "dateCreated": "2023-04-19T20:34:37-04:00",
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            "name": "Comment by Tzvi Arnstein on April 19, 2023",
            "description": "Wow this is an extremely useful feature! Its always so difficult to figure out when to Daven and before you…",
            "text": "Wow this is an extremely useful feature! Its always so difficult to figure out when to Daven and before you blink you can easily miss it",
            "dateCreated": "2023-04-19T21:02:43-04:00",
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            "name": "Comment by Sygdet on April 20, 2023",
            "description": "Really interesting stuff. Now I can stop emailing you for the zmanim before every flight.",
            "text": "Really interesting stuff. Now I can stop emailing you for the zmanim before every flight.",
            "dateCreated": "2023-04-20T05:48:14-04:00",
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            "name": "Comment by Not submitted on July 8, 2025",
            "description": "The zmanim presented based on the aircraft location can be misleading on night flights from TLV to North America because…",
            "text": "The zmanim presented based on the aircraft location can be misleading on night flights from TLV to North America because although you may have passed sunrise as you near the arctic circle however as you come southward it becomes night once again and therefore one cannot daven anymore. It would therefore be helpful for this to be updated inflight as well when one is returning to nighttime. Thankyou for the great resource.",
            "dateCreated": "2025-07-08T16:16:15-04:00",
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                "@type": "Person",
                "name": "Not submitted"
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            "description": "The KosherJava Zmanim API version 2.4.0 was released on Nov 27, 2022 \u05d3\u05f3 \u05db\u05e1\u05dc\u05d5 \u05ea\u05e9\u05e4\u05f4\u05d2 in Maven and GitHub. New in Version 2.4.0. Added JewishCalendar.getUpcomingParshah() that returns the upcoming Parsha regardless of the day of week. Change YerushalmiYomiCalculator to return null on Yom Kippur and...",
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in-flight-zmanimhttps://kosherjava.com/tag/in-flight-zmanim/
Latitude and Longitudehttps://kosherjava.com/tag/latitude-and-longitude/
Zmanimhttps://kosherjava.com/tag/zmanim/
Leave a comment on User Interface Update to El Al’s Zmanim Apphttps://kosherjava.com/2025/05/19/user-interface-update-to-el-als-zmanim-app/#respond
Time Zone Database – A Critical But Overlooked Zmanim Componenthttps://kosherjava.com/2024/04/02/time-zone-database-a-critical-but-overlooked-zmanim-component/
https://kosherjava.com/wp-content/uploads/time_zone_map.jpg
volunteer maintainedhttps://samueli.ucla.edu/time-zone-king-how-one-ucla-computer-scientist-keeps-digital-clocks-ticking/
IANAhttps://www.iana.org/time-zones
time zone databasehttps://en.wikipedia.org/wiki/Tz_database
latest databasehttps://www.iana.org/time-zones
DSThttps://en.wikipedia.org/wiki/Daylight_saving_time
tz announcementshttps://www.iana.org/time-zones
Lebanon’s 2023 change and reversalhttps://en.wikipedia.org/wiki/Time_in_Lebanon#Postponed_time_change_in_2023
small Jewish communityhttps://en.wikipedia.org/wiki/History_of_the_Jews_in_Kazakhstan#Jewish_life_today
spans 4 time zoneshttps://en.wikipedia.org/wiki/Time_in_Kazakhstan
UTC+5 zonehttps://en.wikipedia.org/wiki/UTC%2B05:00
Discussions startedhttps://en.vestikavkaza.ru/news/Kazakhstan-considers-changing-time-zones.html
A draft decreehttps://web.archive.org/web/20240331163904/http://central-asia.media/25616-kazakhstan-to-switch-to-single-time-zone-in-2024.html
announcedhttps://www.gov.kz/memleket/entities/mti/press/news/details/688998?lang=ru
brought to the attentionhttps://mm.icann.org/pipermail/tz/2024-January/033566.html
released as 2024ahttps://mm.icann.org/pipermail/tz/2024-February/058674.html
timezonedb packagehttps://github.com/php/pecl-datetime-timezonedb
Moment.jshttps://momentjs.com
v0.5.45https://github.com/moment/moment-timezone/releases/tag/0.5.45
mergedhttps://android-review.googlesource.com/c/platform/system/timezone/+/2957972
25 hour leap year leap dayhttps://typesandtimes.net/2024/02/kazakhstan-25-hour-leap-years
Node.jshttps://nodejs.org/en
updated on the main branchhttps://github.com/nodejs/node/commit/7fb80e5d2732d3ce6156b855d9c227bd23cbdb71
issue was openedhttps://github.com/nodejs/node/issues/51933
LTShttps://en.wikipedia.org/wiki/Long-term_support
March 2024 non-security preview updatehttps://techcommunity.microsoft.com/t5/daylight-saving-time-time-zone/kazakhstan-2024-time-zone-update-now-available/ba-p/4100664
Ubuntuhttps://launchpad.net/ubuntu/+source/tzdata
Redhathttps://access.redhat.com/articles/1187353
Mainline moduleshttps://source.android.com/docs/core/ota/modular-system
tzdata process was enhanced late in 2023https://android-developers.googleblog.com/2024/03/better-faster-stronger-time-zone-updates-on-android.html
Joda-Time for Androidhttps://github.com/dlew/joda-time-android
TZUpdater toolhttps://www.oracle.com/java/technologies/javase/tzupdater-readme.html
downloadhttps://www.oracle.com/java/technologies/javase-tzupdater-downloads.html
Luxonhttps://moment.github.io/luxon/#/?id=luxon
the operating system’s tzinfohttps://github.com/moment/luxon/blob/master/docs/zones.md
timezonedb PECL packagehttps://github.com/php/pecl-datetime-timezonedb
pytzhttps://pypi.org/project/pytz/
embedded in the Go executablehttps://pkg.go.dev/time/tzdata
java.time.ZoneIdhttps://docs.oracle.com/en/java/javase/22/docs/api/java.base/java/time/ZoneId.html
Israelhttps://en.wikipedia.org/wiki/Israel_Summer_Time#2013%E2%80%93present
April 2, 2024 – כ״ג באדר ב׳ תשפ״דDecember 10, 2025https://kosherjava.com/2024/04/02/time-zone-database-a-critical-but-overlooked-zmanim-component/
Software Devhttps://kosherjava.com/category/software-dev/
Zmanimhttps://kosherjava.com/category/zmanim/
Code Samplehttps://kosherjava.com/tag/code-sample/
daylight savings timehttps://kosherjava.com/tag/daylight-savings-time/
FAQhttps://kosherjava.com/tag/faq/
Software Devhttps://kosherjava.com/tag/software-dev/
Timezonehttps://kosherjava.com/tag/timezone/
Zmanimhttps://kosherjava.com/tag/zmanim/
Zmanim Accuracyhttps://kosherjava.com/tag/zmanim-accuracy/
2 Comments on Time Zone Database – A Critical But Overlooked Zmanim Componenthttps://kosherjava.com/2024/04/02/time-zone-database-a-critical-but-overlooked-zmanim-component/#comments
KosherJava Zmanim API 2.5.0 Releasedhttps://kosherjava.com/2023/07/12/kosherjava-zmanim-api-2-5-0-released/
Mavenhttps://central.sonatype.com/artifact/com.kosherjava/zmanim/2.5.0
GitHubhttps://github.com/KosherJava/zmanim/releases/tag/2.5.0
AstronomicalCalendarhttps://github.com/KosherJava/zmanim/blob/master/src/main/java/com/kosherjava/zmanim/AstronomicalCalendar.java
astronomical noonhttps://github.com/KosherJava/zmanim/blob/master/src/main/java/com/kosherjava/zmanim/AstronomicalCalendar.java
astronomical midnighthttps://github.com/KosherJava/zmanim/commit/58d628855574e8cdb0a07dfdda4443ae2fbefb66
The Definition of Chatzoshttps://kosherjava.com/2020/07/02/definition-of-chatzos/
no alos and tzaishttps://kosherjava.com/2010/06/02/faq-why-some-zmanim-never-occur-developers-beware/
backwards compatibilityhttps://en.wikipedia.org/wiki/Backward_compatibility#In_software
isUseAstronomicalChatzos()https://kosherjava.com/zmanim/docs/api/com/kosherjava/zmanim/ZmanimCalendar.html#isUseAstronomicalChatzos()
getChatzosAsHalfDay()https://kosherjava.com/zmanim/docs/api/com/kosherjava/zmanim/ZmanimCalendar.html#getChatzosAsHalfDay()
Add special Shabbasos/Parshiyoshttps://github.com/KosherJava/zmanim/commit/84e04a3685681ec691bf0c5fbb8595fe82d44a5a
JewishCalendarhttps://github.com/KosherJava/zmanim/blob/master/src/main/java/com/kosherjava/zmanim/hebrewcalendar/JewishCalendar.java
Correct isYomTov()https://github.com/KosherJava/zmanim/commit/dc040e4780d260d54d7598f734770b22d9e33931
Eitan Adlerhttps://github.com/eitan613
Bein Hashmashos methodshttps://github.com/KosherJava/zmanim/commit/838ed7f98f526bd5885f2bc865ca450ba6f7123b
Yaakov Schlachterhttps://github.com/CompuGenius
Daf Yomi Yerushalmihttps://github.com/KosherJava/zmanim/blob/master/src/main/java/com/kosherjava/zmanim/hebrewcalendar/YerushalmiYomiCalculator.java
Elazar Rosenthalhttps://github.com/elazarrosenthal
daf numberhttps://github.com/KosherJava/zmanim/commit/5162a97b379e3231ce7240a3cea3a3471414a15d
Correct the orderhttps://github.com/KosherJava/zmanim/commit/5ad996e4eff276ba91947099779c7eb0f06ac2e1
Correct the Hebrew spellinghttps://github.com/KosherJava/zmanim/commit/fc95e3a6984ef5e46aae8e14c0ca704c4a0915a8
IS methodshttps://github.com/KosherJava/zmanim/commit/07375e106fc831326e06352d966fb6e16eee7dd4
isAlHanissimRecited(JewishCalendar) and isYaalehVeyavoRecited(JewishCalendar)https://github.com/KosherJava/zmanim/commit/4ac62f3b3abde4d3f52ff41ca87769f5e2a12f30
TefilaRuleshttps://github.com/KosherJava/zmanim/blob/master/src/main/java/com/kosherjava/zmanim/hebrewcalendar/TefilaRules.java
GitHubhttps://github.com/KosherJava/zmanim/compare/2.4.0...2.5.0
Eli Julianhttps://github.com/elijulian
July 12, 2023 – כ״ג בתמוז תשפ״גAugust 28, 2024https://kosherjava.com/2023/07/12/kosherjava-zmanim-api-2-5-0-released/
Blogrollhttps://kosherjava.com/category/blogroll/
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Zmanimhttps://kosherjava.com/category/zmanim/
APIhttps://kosherjava.com/tag/api/
Software Devhttps://kosherjava.com/tag/software-dev/
Zmanimhttps://kosherjava.com/tag/zmanim/
Zmanim APIhttps://kosherjava.com/tag/zmanim-api/
Zmanim API Releasehttps://kosherjava.com/tag/zmanim-api-release/
9 Comments on KosherJava Zmanim API 2.5.0 Releasedhttps://kosherjava.com/2023/07/12/kosherjava-zmanim-api-2-5-0-released/#comments
KosherJava Powers Zmanim on El Al Flightshttps://kosherjava.com/2023/04/19/kosherjava-powers-zmanim-on-el-al-flights/
Inflight Zmanim Calculations – Why So Complex?https://kosherjava.com/2019/10/02/inflight-zmanim-calculations-why-so-complex/
Dan’s Dealshttps://www.dansdeals.com/
Zmanim were added to El Al’shttps://www.dansdeals.com/more/news/airline-news/wow-el-al-adding-present-location-zmanim-787-entertainment-system/
El Alhttps://www.elal.com
Frum Software Developers Slackhttps://frumdevs.slack.com
KosherJava zmanim libraryhttps://kosherjava.com/
freehttps://github.com/KosherJava/zmanim
open sourcehttps://kosherjava.com/2011/05/09/kosherjava-zmanim-api-released-under-the-lgpl-license/
reportedhttps://kosherjava.com/contact/
Tal Kalderonhttps://www.linkedin.com/in/tal-kalderon-763a30137/
Boris Vekslerhttps://www.linkedin.com/in/borisv
FlightPath3Dhttps://flightpath3d.com/
KosherJava zmanim codehttps://github.com/KosherJava/zmanim
https://kosherjava.com/wp-content/uploads/el-al-inflight-map.png
https://kosherjava.com/wp-content/uploads/el-al-zmanim-map-current-location.png
headwinds and tailwindshttps://en.wikipedia.org/wiki/Headwind_and_tailwind
bearing to Yerushalayim / Jerusalemhttps://kosherjava.com/2009/11/29/calculating-the-bearing-to-har-habayis-using-the-zmanim-api/
maphttps://kosherjava.com/2012/11/05/zmanim-map-3-5-date-and-algorithm/
El Al In-Flight Zmanim FAQhttps://kosherjava.com/zmanim-project/flight/
https://kosherjava.com/wp-content/uploads/el-al-zmanim-ny.png
Chai Tableshttps://www.chaitables.com/
https://kosherjava.com/wp-content/uploads/el-al-zmanim-hebrew.png
Yeshivishhttps://en.wikipedia.org/wiki/Yeshivish
in-flight entertainment (IFE) systemshttps://en.wikipedia.org/wiki/In-flight_entertainment
flight management system (FMS)https://en.wikipedia.org/wiki/Flight_management_system
April 19, 2023 – כ״ח בניסן תשפ״גNovember 8, 2023https://kosherjava.com/2023/04/19/kosherjava-powers-zmanim-on-el-al-flights/
Software Devhttps://kosherjava.com/category/software-dev/
Zmanimhttps://kosherjava.com/category/zmanim/
airlinehttps://kosherjava.com/tag/airline/
airplanehttps://kosherjava.com/tag/airplane/
ElAlhttps://kosherjava.com/tag/elal/
flighthttps://kosherjava.com/tag/flight/
in-flight-entertainmenthttps://kosherjava.com/tag/in-flight-entertainment/
in-flight-zmanimhttps://kosherjava.com/tag/in-flight-zmanim/
Latitude and Longitudehttps://kosherjava.com/tag/latitude-and-longitude/
Open Sourcehttps://kosherjava.com/tag/open-source/
Zmanimhttps://kosherjava.com/tag/zmanim/
Zmanim Accuracyhttps://kosherjava.com/tag/zmanim-accuracy/
Zmanim APIhttps://kosherjava.com/tag/zmanim-api/
5 Comments on KosherJava Powers Zmanim on El Al Flightshttps://kosherjava.com/2023/04/19/kosherjava-powers-zmanim-on-el-al-flights/#comments
Zmanim API 2.4.0 Releasedhttps://kosherjava.com/2022/11/27/zmanim-api-2-4-0-released/
Mavenhttps://search.maven.org/artifact/com.kosherjava/zmanim/2.4.0/jar
GitHubhttps://github.com/KosherJava/zmanim/releases/tag/2.4.0
JewishCalendar.getUpcomingParshah()https://github.com/KosherJava/zmanim/commit/52e49a8
return nullhttps://github.com/KosherJava/zmanim/commit/35eef61
Luach Ahavat Shalomhttps://he.wikipedia.org/wiki/%D7%97%D7%91%D7%A8%D7%AA_%D7%90%D7%94%D7%91%D7%AA_%D7%A9%D7%9C%D7%95%D7%9D
Zmanimhttps://github.com/KosherJava/zmanim/commit/67cffe9
BeHaBhttps://github.com/KosherJava/zmanim/commit/fe8c04b
JewishCalendarhttps://github.com/KosherJava/zmanim/blob/master/src/main/java/com/kosherjava/zmanim/hebrewcalendar/JewishCalendar.java
Yom Kippur Katanhttps://github.com/KosherJava/zmanim/commit/d5da422
Isru Chaghttps://github.com/KosherJava/zmanim/commit/81bed16
TefilaRuleshttps://github.com/KosherJava/zmanim/blob/master/src/main/java/com/kosherjava/zmanim/hebrewcalendar/TefilaRules.java
Hallel or Hallel Shalemhttps://github.com/KosherJava/zmanim/commit/d8234b
Deprecate the tefila rules methodshttps://github.com/KosherJava/zmanim/commit/81bed16
getSamuchLeMinchaKetanahttps://github.com/KosherJava/zmanim/commit/3085b36
getSofZmanShmaFixedLocal() and getSofZmanTfilaFixedLocal()https://github.com/KosherJava/zmanim/commit/42a8b96
“dangerous” zmanimhttps://github.com/KosherJava/zmanim/commit/d475c6e
November 27, 2022 – ג׳ בכסלו תשפ״גApril 15, 2025https://kosherjava.com/2022/11/27/zmanim-api-2-4-0-released/
Blogrollhttps://kosherjava.com/category/blogroll/
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Software Devhttps://kosherjava.com/tag/software-dev/
Zmanimhttps://kosherjava.com/tag/zmanim/
Zmanim APIhttps://kosherjava.com/tag/zmanim-api/
Zmanim API Releasehttps://kosherjava.com/tag/zmanim-api-release/
Leave a comment on Zmanim API 2.4.0 Releasedhttps://kosherjava.com/2022/11/27/zmanim-api-2-4-0-released/#respond
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