Washington, D.C., USA
EST
IRST
Iran Standard Time
GMT +3:30

Time Difference

EST (Eastern Standard Time) is 8 hours and 30 minutes behind Iran Standard Time
3:00 pm15:00 in Washington, DC, USA is 11:30 pm23:30 in IRST

Washington to IRST call time
Best time for a conference call or a meeting is between 8am-10am in Washington which corresponds to 4:30pm-6:30pm in IRST

3:00 pm15:00 EST (Eastern Standard Time) (Washington, DC, USA). Offset UTC -5:00 hours
11:30 pm23:30 Iran Standard Time (IRST). Offset UTC +3:30 hours

3:00 pm15:00 Washington, DC, USA / 11:30 pm23:30 IRST

Washington, DC, USA IRST
12am (midnight) 8:30 am
1am 9:30 am
2am 10:30 am
3am 11:30 am
4am 12:30 pm
5am 1:30 pm
6am 2:30 pm
7am 3:30 pm
8am 4:30 pm
9am 5:30 pm
10am 6:30 pm
11am 7:30 pm
12pm (noon) 8:30 pm
1pm 9:30 pm
2pm 10:30 pm
3pm 11:30 pm
4pm 12:30 am
5pm 1:30 am
6pm 2:30 am
7pm 3:30 am
8pm 4:30 am
9pm 5:30 am
10pm 6:30 am
11pm 7:30 am
0:00 8:30
1:00 9:30
2:00 10:30
3:00 11:30
4:00 12:30
5:00 13:30
6:00 14:30
7:00 15:30
8:00 16:30
9:00 17:30
10:00 18:30
11:00 19:30
12:00 20:30
13:00 21:30
14:00 22:30
15:00 23:30
16:00 0:30
17:00 1:30
18:00 2:30
19:00 3:30
20:00 4:30
21:00 5:30
22:00 6:30
23:00 7:30

Washington Information

Time Zone

Abbreviation / Name
EST - Eastern Standard Time
EDT - Eastern Daylight Time
UTC / GMT Offset
-5:00 hours during Eastern Standard Time, currently in use.
-4:00 hours during Eastern Daylight Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3am Sunday, March 10, 2024 at 2:00 am local time. DST starts annually the on second Sunday of March. Clocks are turned forward 1 hour to Sunday, March 10, 2024, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 2am to 1am Sunday, November 3, 2024 at 2:00 am local time. DST ends annually the on first Sunday of November. Clocks are turned backward 1 hour to Sunday, November 3, 2024, 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Washington Facts

Country
USA
State
Washington, D.C.
Alternative Names
District of Columbia, Federal Capital, Federal City, Federal Town, Ouasinkton, Ranatakariahshne, Ranatakariáhshne, Territory of Columbia, Vashington, Vasingtonas, Vasingtonia, Vašingtonas, WAS, Washington, Washington City, Washington D. C., Washington D.C., Washington DC, Waszyngton, hua sheng dun te qu, wosingteon D.C., wosingteon DC, Ουάσιγκτον, Вашингтон, 华盛顿特区, 워싱턴 D.C., 워싱턴 DC
Population
601,723
Currency
Dollar (USD)
Geographic Coordinates
38° 53' N Latitude / 77° 02' W Longitude
International Dialing Code
+1

Iran Standard Time

Offset: IRST is 3 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia

IRST Time Zone Geo Map
IRST timezone map

IRST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0330 - basic
  • +03:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0330 - sign character (+) followed by a four digit time providing hours (03) and minutes (30) of the offset. Indicates three hour and thirty minutes time differences to the east of the zero meridian.