The Biblical Calendar
This web site provides a study on the biblical calendar and a holy day schedule for upcomming years based upon the conclusions of the study.
A concise biblical calendar study is now available that is much shorter than the documents below.
Download the Concise Biblical Calendar Study updated February 8th, 2013.
The following study on the biblical calendar provides well documented information regarding how the calendar originally functioned.
Download the PDF version of the Treatise on the Biblical Calendar by Herb Solinsky, last revised on April 8, 2009.
An Abridged Biblical Calendar Study updated January 4, 2013 is now available: Download ABC2.pdf
A Study concerning Barley and the Calendar updated October 13, 2014 is now available: Download Barley_and_Calendar.pdf
For calendar questions, please contact Herb Solinsky at
Note for 7th Month of 2014*: Under conditions of questionable visibility the crescent might not be seen until one day later.
Genesis 1:14-18 Psalm 104:19
Holy Day Schedule for 2010-2020
Holy Day Schedule for 2010-2020
|Year||First day of First of Month||Feast of Unleavened Breaed||Pentecost||Feast of Trumpets||Day of Atonement||Feast of Tabernacles||Last Great Day|
|2010||Friday, April 16th||Friday, April 30th - Thursday, May 6th||Sunday, June 20th||Sunday, October 10th||Tuesday, October 19th||Sunday, October 24th - Satudray, October 30th||Sunday, October 31st|
|2011||Tuesday, April 5th||Tuesday, April 19th - Monday, 25th||Sunday, June 12th||Friday, September 30th||Sunday, October 9th||Friday, October 14th - Thursday, October 20th||Friday, October 21st|
|2012||Saturday, March 24th||Saturday, April 7th - Friday, April 13th||Sunday, May 27th||Tuesday, September 18th||Thursday, September 27th||Tuesday, October 2nd - Monday, October 8th||Tuesday, October 9th|
|2013||Friday, April 12th||Friday, April 26th - Thursday, May 2nd||Sunday, June 16th||Monday, October 7th||Wednesday, October 16th||Monday, October 21st - Sunday, October 27th||Monday, October 28th|
|2014||Tuesday, April 1st||Tuesday, April 15th - Monday, April 21st||Sunday, June 8th||Friday, September 26th*||Sunday, October 5th*||Friday, October 10th - Thursday, October 16th*||Friday, October 17th*|
|2015||Sunday, March 22nd||Sunday, April 5th - Saturday, April 11th||Sunday, May 24th||Tuesday, September 15th*||Thursday, September 24th*||Tuesday, September 29th - Monday, October 5th*||Tuesday, October 6th*|
|2016||Saturday, April 9th||Saturday April 23rd - Friday April 29th||Sunday, June 12th||Monday, October 3rd||Wednesday, October 12th||Monday, October 17th - Sunday, October 23rd||Monday, October 24th|
|2017||Thursday, March 30th||hursday, April 13th, Wednesday, April 19th||Sunday, June 4th||Friday, September 22nd||Sunday, October 1st||Friday, October 6th - Thursday, October 12th||Friday, October 13th|
|2018||Wednesday, April 18th||Wednesday, May 2nd - Tuesday, May 8th||Sunday, June 24th||Thursday, October 11th||Saturday, October 20th||Thursday, October 25th - Wednesday, October 31st||Thursday, November 1st|
|2019||Sunday, April 7th||Sunday, April 21st - Saturday, April 27th||Sunday, June 9th||Monday, September 30th||Wednesday, October 9th||Monday, October 14th - Sunday, October 20th||Monday, October 21st|
|2020||Thursday, March 26th||Thursday, April 9th - Wednesday, April 15th||Sunday, May 31||Saturday, September 19th||Monday, September 28th||Saturday, October 3rd - Friday, October 9th||Saturday, October 10th|
The dates in this schedule are derived from astronomical calculation using the luni-solar calendar that is based on the sighting of the cresent from Israel, as detailed in the study available above.