When:
February 26, 2020 all-day
2020-02-26T00:00:00+01:00
2020-02-27T00:00:00+01:00

Beginning of new Hebrew month of Adar. Adar is the 12th month of the Hebrew year. Corresponds to February or March on the Gregorian calendar

https://www.hebcal.com/holidays/rosh-chodesh-adar-2020?utm_source=js&utm_medium=icalendar