Diamond Bar to Beirut time converter

Beirut is 10 hours ahead of Diamond Bar. When it is 9:00 AM in Diamond Bar, it is 7:00 PM in Beirut.

Diamond Bar PDT

Monday, October 19, 2026

Beirut EEST

Monday, October 19, 2026

California, United States
Mon, Oct 19
PDTUTC-7
Lebanon
Mon, Oct 19
EESTUTC+3+10h
Finding your time zone…

12:59 PM in Diamond Bar, Monday, October 19, 2026

Shared working hours (9:00–18:00)

Diamond Bar to Beirut conversion table

Every hour of today in Diamond Bar and the matching time in Beirut. Light rows are typical working hours (9:00–18:00).

Diamond BarBeirut
12:00 AM10:00 AM
1:00 AM11:00 AM
2:00 AM12:00 PM
3:00 AM1:00 PM
4:00 AM2:00 PM
5:00 AM3:00 PM
6:00 AM4:00 PM
7:00 AM5:00 PM
8:00 AM6:00 PM
9:00 AM7:00 PM
10:00 AM8:00 PM
11:00 AM9:00 PM
12:00 PM10:00 PM
1:00 PM11:00 PM
2:00 PM12:00 AM+1 day
3:00 PM1:00 AM+1 day
4:00 PM2:00 AM+1 day
5:00 PM3:00 AM+1 day
6:00 PM4:00 AM+1 day
7:00 PM5:00 AM+1 day
8:00 PM6:00 AM+1 day
9:00 PM7:00 AM+1 day
10:00 PM8:00 AM+1 day
11:00 PM9:00 AM+1 day

Best time to call or meet

Working hours don't overlap fully. The closest fit is 7:00 AM – 8:00 AM in Diamond Bar (5:00 PM – 6:00 PM in Beirut): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Diamond Bar and Beirut switch clocks on different dates:

  • Oct 19, 2026 – Oct 24, 2026: +10h
  • Oct 24, 2026 – Nov 1, 2026: +9h
  • Nov 1, 2026 – Mar 14, 2027: +10h
  • Mar 14, 2027 – Mar 27, 2027: +9h
  • Mar 27, 2027 – Oct 19, 2027: +10h

Distance

Diamond Bar and Beirut are 11,966 km (7,435 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Diamond Bar and Beirut?

Beirut is 10 hours ahead of Diamond Bar.

What time is it in Beirut when it is 9 AM in Diamond Bar?

When it is 9:00 AM in Diamond Bar, it is 7:00 PM in Beirut.

When is the best time to call Beirut from Diamond Bar?

Working hours don't overlap fully. The closest fit is 7:00 AM – 8:00 AM in Diamond Bar (5:00 PM – 6:00 PM in Beirut): working hours on one side, early or late on the other.

Does the time difference between Diamond Bar and Beirut change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.