The Nationals clinched the National League East division title on Tuesday night for the second time in three seasons.
This year, Yom Kippur begins at sundown on Oct. 3 and ends at sundown on Oct. 4.
The NL Division Series is set to be held both days, though times have not been announced yet.
Yom Kippur is considered the holiest day of the year for the Jewish faith and is traditionally marked by a 25-hour period of fasting and intensive prayer.
- Molly Geary