Irvine, CA, USA to ULAST
Time Difference
PDT (Pacific Daylight Time) is 16 hours behind Ulaanbaatar Summer Time
6:30 am06:30 in Irvine, CA, USA is 10:30 pm22:30 in ULAST
Irvine to ULAST call time
Best time for a conference call or a meeting is between 5am-7am in Irvine which corresponds to 9pm-11pm in ULAST
6:30 am06:30 PDT (Pacific Daylight Time) (Irvine, CA, USA). Offset UTC -7:00 hours
10:30 pm22:30 Ulaanbaatar Summer Time (ULAST). Offset UTC +9:00 hours
6:30 am06:30 Irvine, CA, USA / 10:30 pm22:30 ULAST
| Irvine, CA, USA | ULAST |
|---|---|
| 12am (midnight) | 4pm |
| 1am | 5pm |
| 2am | 6pm |
| 3am | 7pm |
| 4am | 8pm |
| 5am | 9pm |
| 6am | 10pm |
| 7am | 11pm |
| 8am | 12am (midnight) |
| 9am | 1am |
| 10am | 2am |
| 11am | 3am |
| 12pm (noon) | 4am |
| 1pm | 5am |
| 2pm | 6am |
| 3pm | 7am |
| 4pm | 8am |
| 5pm | 9am |
| 6pm | 10am |
| 7pm | 11am |
| 8pm | 12pm (noon) |
| 9pm | 1pm |
| 10pm | 2pm |
| 11pm | 3pm |
| 0:00 | 16:00 |
| 1:00 | 17:00 |
| 2:00 | 18:00 |
| 3:00 | 19:00 |
| 4:00 | 20:00 |
| 5:00 | 21:00 |
| 6:00 | 22:00 |
| 7:00 | 23:00 |
| 8:00 | 0:00 |
| 9:00 | 1:00 |
| 10:00 | 2:00 |
| 11:00 | 3:00 |
| 12:00 | 4:00 |
| 13:00 | 5:00 |
| 14:00 | 6:00 |
| 15:00 | 7:00 |
| 16:00 | 8:00 |
| 17:00 | 9:00 |
| 18:00 | 10:00 |
| 19:00 | 11:00 |
| 20:00 | 12:00 |
| 21:00 | 13:00 |
| 22:00 | 14:00 |
| 23:00 | 15:00 |
Irvine Information
Time Zone
Abbreviation / Name
PDT - Pacific Daylight Time
HNP - Heure Normale du Pacifique
HNP - Heure Normale du Pacifique
UTC / GMT Offset
-7:00 hours during Pacific Daylight Time, currently in use.
-8:00 hours during Heure Normale du Pacifique.
-8:00 hours during Heure Normale du Pacifique.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Sunday, March 9, 2025 at 2:00 am local time. DST starts annually the on second Sunday of March. Clocks are turned forward 1 hour to Sunday, March 9, 2025, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Sunday, November 2, 2025 at 2:00 am local time. DST ends annually the on first Sunday of November. Clocks are turned backward 1 hour to Sunday, November 2, 2025, 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.
Irvine Facts
Country
USA
State
California
Alternative Names
rvajn, Ervajn, Irvajn, Irvin, Irvinas, Irvine, abain, arfayn, arwayn, arwayn kalyfrnya, eobain, er wan, ou wen, Ервайн, Ервајн, Ирвайн, Ирвин, Ървайн, אירוויין, إرفاين, اروائن, ارواین، کالیفرنیا, アーバイン, 歐文, 爾灣, 어바인
Population
256,927
Currency
Dollar (USD)
Geographic Coordinates
33° 40' N Latitude / 117° 49' W Longitude
International Dialing Code
+1
Ulaanbaatar Summer Time
Offset: ULAST is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia
ULAST representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- +09 - basic short
- +0900 - basic
- +09:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates nine hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
- India - Military abbreviation for ULAST
- I - short form of 'India'
Time zones with the GMT +9 offset:
- AWDT - Australian Western Daylight Time
- CHOST - Choibalsan Summer Time
- I - India Time Zone
- IRKST - Irkutsk Summer Time
- JST - Japan Standard Time
- KST - Korea Standard Time
- PWT - Palau Time
- TLT - East Timor Time
- ULAST - Ulaanbaatar Summer Time
- WIT - Eastern Indonesian Time
- YAKT - Yakutsk Time