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San Mateo, CA, USA to PDT Time Converter

Updating current time…
San Mateo
California, USA
PDT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PDT
Pacific Daylight Time
GMT -7
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

5:00 am05:00 PDT (UTC-7), Oct 11, 2026 = 5:00 am05:00 PDT (UTC-7), Oct 11, 2026

San Mateo and PDT have the same local time.

How the time difference changes

For most of the year, San Mateo, CA, USA and PDT have the same time. At other times of the year, San Mateo, CA, USA and PST have the same time.

For most of the year, working hours of 9:00 am to 5:00 pm in San Mateo, CA, USA correspond to 9:00 am to 5:00 pm in PDT. At other times of the year, working hours of 9:00 am to 5:00 pm in San Mateo, CA, USA correspond to 9:00 am to 5:00 pm in PST.For most of the year, working hours of 09:00 to 17:00 in San Mateo, CA, USA correspond to 09:00 to 17:00 in PDT. At other times of the year, working hours of 09:00 to 17:00 in San Mateo, CA, USA correspond to 09:00 to 17:00 in PST.

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

Time Difference

PDT (Pacific Daylight Time) and Pacific Daylight Time have the same local time.
5:00 am05:00 in San Mateo, CA, USA is 5:00 am05:00 in PDT

San Mateo to PDT call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in San Mateo which corresponds to 9am-5pm09:00-17:00 in PDT

5:00 am05:00 PDT (Pacific Daylight Time) (San Mateo, CA, USA). Offset UTC -7:00 hours
5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours

5:00 am05:00 San Mateo, CA, USA / 5:00 am05:00 PDT

San Mateo, CA, USAPDT
12:00am12:00am
1:00am1:00am
2:00am2:00am
3:00am3:00am
4:00am4:00am
5:00am5:00am
6:00am6:00am
7:00am7:00am
8:00am8:00am
9:00am9:00am
10:00am10:00am
11:00am11:00am
12:00pm12:00pm
1:00pm1:00pm
2:00pm2:00pm
3:00pm3:00pm
4:00pm4:00pm
5:00pm5:00pm
6:00pm6:00pm
7:00pm7:00pm
8:00pm8:00pm
9:00pm9:00pm
10:00pm10:00pm
11:00pm11:00pm
00:0000:00
01:0001:00
02:0002:00
03:0003:00
04:0004:00
05:0005:00
06:0006:00
07:0007:00
08:0008:00
09:0009:00
10:0010:00
11:0011:00
12:0012:00
13:0013:00
14:0014:00
15:0015:00
16:0016:00
17:0017:00
18:0018:00
19:0019:00
20:0020:00
21:0021:00
22:0022:00
23:0023:00

San Mateo 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 hourSunday, March 8, 2026 at 2:00 amSunday, March 8, 2026 at 02:00 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 amSunday, March 8, 2026 at 03:00 local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves backward for one hourSunday, November 1, 2026 at 2:00 amSunday, November 1, 2026 at 02:00 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 amSunday, November 1, 2026 at 01:00 local standard time instead. Also called Fall Back or switch to Winter Time.
Clock Changes
USA daylight saving time · Clock changes worldwide

San Mateo Facts

Country
USA
State
California
Alternative Names
Matthaeopolis, San Mateo, San Matheo, San-Mateo, saenmeoteio, san matyw, san matyw kalyfrnya, sanmateo, sheng ma diao, syana myatiyo, Сан Матео, Сан-Матео, سان ماتيو, سان ماتیو، کالیفرنیا, سانماٹیو, स्यान म्याटियो, サンマテオ, 聖馬刁, 샌머테이오
Population
103,536
Currency
Dollar (USD)
Geographic Coordinates
37° 33' N Latitude / 122° 19' W Longitude
International Dialing Code
+1

Pacific Daylight Time

Offset: PDT is 7 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries using this time zone: Canada, Mexico, United States

Principal Cities: The largest city in the PDT time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.

French: HAP - Heure Avancée du Pacifique

Spanish: PT - Zona Noroeste

PDT Time Zone Geo Map
PDT timezone map

Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Pacific Standard Time (PST).

Daylight saving time clock moves forward for one hourStart: Pacific Daylight Time (PDT) started on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

Daylight saving time clock moves back for one hourEnd: Pacific Daylight Time (PDT) ends on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.

See upcoming clock changes worldwide.

PDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -07 - basic short
  • -0700 - basic
  • -07:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates an offset of seven hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Tango - Military abbreviation for PDT
  • T - short form of 'Tango'
IANA/Olson: Reflects PDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Ensenada
  • America/Los_Angeles
  • America/Santa_Isabel
  • America/Tijuana
  • America/Vancouver
  • Canada/Pacific
  • Mexico/BajaNorte
  • PST8PDT
  • US/Pacific
Time zones with the GMT -7 offset:
  • MST - Mountain Standard Time
  • PDT - Pacific Daylight Time
  • YST - Yukon Standard Time
  • T - Tango Time Zone
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT