Time difference: San Diego and Tokyo

Tokyo is 16 hours ahead of San Diego.

Tokyo is 16 hours ahead of San Diego. San Diego is UTC-7. Tokyo is UTC+9.

San Diego on 15 October 2026: sunrise 06:52, sunset 18:15, day length 11 h 23 min.

Tokyo on 15 October 2026: sunrise 05:47, sunset 17:06, day length 11 h 19 min.

For San Diego and Tokyo: The next clock change in San Diego is 1 hour back on 1 November 2026 at 02:00, from UTC-7 to UTC-8.

For Tokyo and San Diego: Tokyo has no clock change scheduled in the next year. January and July both use UTC+9.

When the difference changes
Change
The gap changes on 1 November 2026 at 02:00, when clocks in San Diego move back 1 hour.
The gap changes on 14 March 2027 at 02:00, when clocks in San Diego move forward 1 hour.
The gap changes on 7 November 2027 at 02:00, when clocks in San Diego move back 1 hour.
Working hours from each side
View09:00 to 17:00
From San DiegoSan Diego and Tokyo have no hour that is 09:00 to 17:00 in both cities.
From TokyoTokyo and San Diego have no hour that is 09:00 to 17:00 in both cities.
Hours in San Diego and Tokyo. Shaded cells are 09:00 to 17:00. The stronger shade is when both are.
San DiegoTokyo
00:0016:00
01:0017:00
02:0018:00
03:0019:00
04:0020:00
05:0021:00
06:0022:00
07:0023:00
08:0000:00 (next day)
09:0001:00 (next day)
10:0002:00 (next day)
11:0003:00 (next day)
12:0004:00 (next day)
13:0005:00 (next day)
14:0006:00 (next day)
15:0007:00 (next day)
16:0008:00 (next day)
17:0009:00 (next day)
18:0010:00 (next day)
19:0011:00 (next day)
20:0012:00 (next day)
21:0013:00 (next day)
22:0014:00 (next day)
23:0015:00 (next day)
Sun this year
CityLongest dayShortest day
San Diego with Tokyo21 June 2026, 14 h 18 min21 December 2026, 10 h 0 min
Tokyo with San Diego21 June 2026, 14 h 35 min22 December 2026, 9 h 44 min
Next public holidays
CityDateHoliday
San Diego and Tokyo11 November 2026Veterans Day
San Diego and Tokyo26 November 2026Thanksgiving Day
Tokyo and San Diego3 November 2026文化の日
Tokyo and San Diego23 November 2026勤労感謝の日