Shabbat begins 18 minutes before sundown on Friday night. In Jerusalem, Shabbat begins 40 minutes before sundown.
Posts By: mradwin
Shabbat ends after sundown on Saturday night when there are three stars visible. Depending on latitude and longitude, this is usually between 42 and 72 minutes after sundown.
Shabbat begins 18 minutes before sundown on Friday night. Havdalah is 72 minutes after sundown on Saturday night. So in a given week, Havdalah time is typically 90 minutes after the previous day’s candle-lighting time (18 + 72 = 90). Sometimes there’s an extra minute or two difference, and that’s due to sunset actually differing… Read more »
Hebcal computes sunset based on an algorithm provided by the U.S. Naval Observatory (USNO). The USNO claims accuracy within 2 minutes except at extreme northern or southern latitudes. Comparison to local NWS charts for sunrise and sunset (which are cheap and easy to come by) shows that with the double precision calculations, the charts produced by… Read more »
Since candle lighting times are determined from latitude and longitude, a process called geocoding is used to determine the geographic position of a zip code. Our zip code database comes from the 1999 ZIP Code file from the U.S. Census Bureau’s Gazetteer project. The Gazetteer data from 1999 is much more complete than their data from… Read more »
Candle-lighting and Havdalah times are available for the following 54 cities: Ashdod (31d48′ N lat, 34d38′ E long, GMT +2:00, israel) Atlanta (33d45′ N lat, 84d23′ W long, GMT -5:00, usa) Austin (30d16′ N lat, 97d45′ W long, GMT -6:00, usa) Baghdad (33d14′ N lat, 44d22′ E long, GMT +3:00, eu) Beer Sheva (31d15′ N… Read more »
Example: how to find candle-lighting times for San Jose, Costa Rica. Go to the Getty Thesaurus of Geographic Names at http://www.getty.edu/research/tools/vocabulary/tgn/ Type “San Jose” in the Find box and click “Search” button Click on the link that says “San Jose, Costa Rica, inhabited place” Note the latitude/longitude represented in “degrees minutes direction” (in the example… Read more »
Lotus Notes is not supported by hebcal.com. These instructions were provided by hebcal.com user Bruce Kahn. Your mileage may vary. Start Notes Create a new mail memo Attach the iCalendar file you just downloaded and save the memo as Draft Open the Draft memo up and right click on the attachment From the popup select… Read more »
Follow these instructions to add a Hebcal Jewish holiday calendar 5-year feed to the old version of Palm Desktop 4.1.4. Note that these instructions do not work for the newer Palm Desktop 6.2. If you are using the newer version, please instead use our . First, you’ll need to download a Palm Date Book Archive… Read more »
Some folks have asked about USA holidays such as Thanksgiving, Labor Day, Memorial Day, etc. Download DateBook+ Holiday updater from PdaWax.com and follow the instructions enclosed in the zip file.