Why Is It 2025 In The Jewish Calendar

Why Is It 2025 In The Jewish Calendar. Unlike our secular day, in which the daylight. October starts on hebrew date 9 tishrei 5786;

The rabbis determined that the new day begins at the moment when the sun sinks below the horizon. The jewish year (5784, 5785, etc.) begins on rosh hashanah and ends just before the following rosh hashanah.