Updating current time…
California, USA
PST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
TRT
Turkey Time
GMT +3
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

For most of the year, Ontario is 10 hours behind TRT Asia. During seasonal clock changes, Ontario is 11 hours behind TRT Asia.

For most of the year, working hours of 9:00 am to 5:00 pm in Ontario correspond to 7:00 pm to 3:00 am (next day) in TRT Asia. During seasonal clock changes, working hours of 9:00 am to 5:00 pm in Ontario correspond to 8:00 pm to 4:00 am (next day) in TRT Asia.

Compare Ontario time with TRT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

PST (Pacific Standard Time) is 11 hours behind Turkey Time
4:00 am04:00 in Ontario, CA, USA is 3:00 pm15:00 in TRT

Ontario to TRT call time
Best time for a conference call or a meeting is between 7am-8am in Ontario which corresponds to 6pm-7pm in TRT

4:00 am04:00 PST (Pacific Standard Time) (Ontario, CA, USA). Offset UTC -8:00 hours
3:00 pm15:00 Turkey Time (TRT). Offset UTC +3:00 hours

4:00 am04:00 Ontario, CA, USA / 3:00 pm15:00 TRT

Ontario, CA, USATRT
12am (midnight)11am
1am12pm (noon)
2am1pm
3am2pm
4am3pm
5am4pm
6am5pm
7am6pm
8am7pm
9am8pm
10am9pm
11am10pm
12pm (noon)11pm
1pm12am (midnight)
2pm1am
3pm2am
4pm3am
5pm4am
6pm5am
7pm6am
8pm7am
9pm8am
10pm9am
11pm10am
00:0011:00
01:0012:00
02:0013:00
03:0014:00
04:0015:00
05:0016:00
06:0017:00
07:0018:00
08:0019:00
09:0020:00
10:0021:00
11:0022:00
12:0023:00
13:0000:00
14:0001:00
15:0002:00
16:0003:00
17:0004:00
18:0005:00
19:0006:00
20:0007:00
21:0008:00
22:0009:00
23:0010:00

Ontario Information

Time Zone

Abbreviation / Name
PDT - Pacific Daylight Time
PST - Pacific Standard Time
UTC / GMT Offset
-7:00 hours during Pacific Daylight Time, currently in use.
-8:00 hours during Pacific Standard Time.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3amSunday, March 8, 2026 at 2:00 am local time. DST starts annually on the 2nd Sunday of March. Clocks are turned forward 1 hour to Sunday, March 8, 2026 at 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 1amSunday, November 1, 2026 at 2:00 am local time. DST ends annually on the 1st Sunday of November. Clocks are turned backward 1 hour to Sunday, November 1, 2026 at 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Ontario Facts

Country
USA
State
California
Alternative Names
ONT, Ontario, Ontehrio, an da e, antaryw kalyfrnya, awntaryw, ontalio, ontario, ontariyo, Онтарио, Онтаріо, Онтэрио, أونتاريو, انتاریو، کالیفرنیا, اونٹاریو،کیلیفورنیا, ओन्टारियो, オンタリオ, 安大略, 온타리오
Population
171,214
Currency
Dollar (USD)
Geographic Coordinates
34° 03' N Latitude / 117° 39' W Longitude
International Dialing Code
+1

Turkey Time

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

Daylight Saving: Clocks in Turkey Time (TRT) do not change for daylight saving time, so TRT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

TRT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +03 - basic short
  • +0300 - basic
  • +03:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0300 - sign character (+) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Charlie - Military abbreviation for TRT
  • C - short form of 'Charlie'
Time zones with the GMT +3 offset:
  • EEST - Eastern European Summer Time
  • MSK - Moscow Standard Time
  • AST - Arabia Standard Time
  • C - Charlie Time Zone
  • EAT - Eastern Africa Time
  • FET - Further Eastern European Time
  • IDT - Israel Daylight Time
  • TRT - Turkey Time