JST to UTC Converter
UTC is 9 hours behind JST. 9:00 AM JST = 12:00 AM UTC.
UTC is 9 hours behind JST. To convert JST to UTC, subtract 9 hours from the JST time: 9:00 AM JST = 12:00 AM UTC.
JST (Japan Time) is used in Japan. UTC (UTC) is used in The world's time standard; used in aviation, computing and science.
JST to UTC time conversion table
JST to UTC on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| JST | UTC | Day |
|---|---|---|
| 12:00 AM JST | 3:00 PM UTC | previous day |
| 1:00 AM JST | 4:00 PM UTC | previous day |
| 2:00 AM JST | 5:00 PM UTC | previous day |
| 3:00 AM JST | 6:00 PM UTC | previous day |
| 4:00 AM JST | 7:00 PM UTC | previous day |
| 5:00 AM JST | 8:00 PM UTC | previous day |
| 6:00 AM JST | 9:00 PM UTC | previous day |
| 7:00 AM JST | 10:00 PM UTC | previous day |
| 8:00 AM JST | 11:00 PM UTC | previous day |
| 9:00 AM JST | 12:00 AM UTC | night |
| 10:00 AM JST | 1:00 AM UTC | night |
| 11:00 AM JST | 2:00 AM UTC | night |
| 12:00 PM JST | 3:00 AM UTC | night |
| 1:00 PM JST | 4:00 AM UTC | night |
| 2:00 PM JST | 5:00 AM UTC | night |
| 3:00 PM JST | 6:00 AM UTC | — |
| 4:00 PM JST | 7:00 AM UTC | — |
| 5:00 PM JST | 8:00 AM UTC | — |
| 6:00 PM JST | 9:00 AM UTC | — |
| 7:00 PM JST | 10:00 AM UTC | — |
| 8:00 PM JST | 11:00 AM UTC | — |
| 9:00 PM JST | 12:00 PM UTC | — |
| 10:00 PM JST | 1:00 PM UTC | — |
| 11:00 PM JST | 2:00 PM UTC | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert JST to UTC
Subtract 9 hours from the JST time to get UTC.
Example: 9:00 AM JST = 12:00 AM UTC.
Across midnight: 1:00 AM JST = 4:00 PM UTC (previous day). The date changes, so always check the day as well as the hour.
Time difference between JST and UTC
The time difference between JST and UTC is 9 hours all year – UTC is behind JST.
JST and UTC during daylight saving time
- JST does not observe daylight saving time; it stays on UTC+9 all year.
- UTC does not observe daylight saving time; it stays on UTC+0 all year.
Best time for a meeting between JST and UTC
JST and UTC have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM JST, which is 10:00 PM UTC.
JST to UTC FAQ
What is the time difference between JST and UTC?
UTC is 9 hours behind JST all year. 9:00 AM JST = 12:00 AM UTC.
What is 9 AM JST in UTC?
9:00 AM JST is 12:00 AM UTC.
What is 12 PM (noon) JST in UTC?
12:00 PM JST is 3:00 AM UTC.
Is UTC ahead of or behind JST?
UTC is 9 hours behind JST, so it is earlier in UTC than in JST.
Does JST change for daylight saving time?
No. JST stays on the same offset all year, so conversions never shift for daylight saving time.
Does UTC change for daylight saving time?
No. UTC stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between JST and UTC?
JST and UTC have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM JST, which is 10:00 PM UTC.
Related conversions
Convert UTC to JST
Convert JST to other time zones
Convert other time zones to UTC
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.