The doors of the new synagogue were opened to the public on Rosh Hashanah 5726 (Hebrew calendar).
The anniversary of Rabbi Schneerson's death, as calculated by the Hebrew lunar calendar, fell on Saturday.
See also Hebrew calendar: Accuracy.
In Swahili the day begins at sunrise rather than sunset, and so offset by twelve hours from the Arabic and Hebrew calendar.
(See Hebrew calendar.)
However, it is significantly different from the Babylonian lunar calendar which evolved into the 354-day Hebrew calendar as known today.
Hebrew/Gregorian converter, including a full Hebrew calendar.
In Israel, the traditional Hebrew calendar, using an era dating from Creation, is the official calendar.
Hebrew calendar.
(See Missing years (Hebrew calendar) for more information.)