JST to Glasgow Time Converter
GMT is 9 hours behind JST. 9:00 AM JST = 12:00 AM GMT.
GMT is 9 hours behind JST at the moment. To convert JST to Glasgow Time, subtract 9 hours from the JST time: 9:00 AM JST = 12:00 AM GMT.
JST (Japan Time) is used in Japan. Glasgow Time (Glasgow time) is used in Glasgow, UK.
JST to Glasgow Time time conversion table
JST to Glasgow Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| JST | Glasgow Time | Day |
|---|---|---|
| 12:00 AM JST | 3:00 PM GMT | previous day |
| 1:00 AM JST | 4:00 PM GMT | previous day |
| 2:00 AM JST | 5:00 PM GMT | previous day |
| 3:00 AM JST | 6:00 PM GMT | previous day |
| 4:00 AM JST | 7:00 PM GMT | previous day |
| 5:00 AM JST | 8:00 PM GMT | previous day |
| 6:00 AM JST | 9:00 PM GMT | previous day |
| 7:00 AM JST | 10:00 PM GMT | previous day |
| 8:00 AM JST | 11:00 PM GMT | previous day |
| 9:00 AM JST | 12:00 AM GMT | night |
| 10:00 AM JST | 1:00 AM GMT | night |
| 11:00 AM JST | 2:00 AM GMT | night |
| 12:00 PM JST | 3:00 AM GMT | night |
| 1:00 PM JST | 4:00 AM GMT | night |
| 2:00 PM JST | 5:00 AM GMT | night |
| 3:00 PM JST | 6:00 AM GMT | — |
| 4:00 PM JST | 7:00 AM GMT | — |
| 5:00 PM JST | 8:00 AM GMT | — |
| 6:00 PM JST | 9:00 AM GMT | — |
| 7:00 PM JST | 10:00 AM GMT | — |
| 8:00 PM JST | 11:00 AM GMT | — |
| 9:00 PM JST | 12:00 PM GMT | — |
| 10:00 PM JST | 1:00 PM GMT | — |
| 11:00 PM JST | 2:00 PM GMT | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert JST to Glasgow Time
Subtract 9 hours from the JST time to get Glasgow Time.
Example: 9:00 AM JST = 12:00 AM GMT.
Across midnight: 1:00 AM JST = 4:00 PM GMT (previous day). The date changes, so always check the day as well as the hour.
Time difference between JST and Glasgow Time
The time difference between JST and Glasgow Time is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 1 Jan 2026 – 28 Mar 2026: Glasgow Time is 9 hours behind of JST.
- 29 Mar 2026 – 24 Oct 2026: Glasgow Time is 8 hours behind of JST.
- 25 Oct 2026 – 31 Dec 2026: Glasgow Time is 9 hours behind of JST.
JST and Glasgow Time during daylight saving time
- JST does not observe daylight saving time; it stays on UTC+9 all year.
- Glasgow Time next changes on 28 Mar 2027: clocks go forward one hour at 00:59 local time, from GMT (UTC+0) to BST (UTC+1).
Best time for a meeting between JST and Glasgow Time
JST and Glasgow Time 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 GMT.
JST to Glasgow Time FAQ
What is the time difference between JST and Glasgow Time?
Right now GMT is 9 hours behind JST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM JST in Glasgow Time?
9:00 AM JST is 12:00 AM GMT.
What is 12 PM (noon) JST in Glasgow Time?
12:00 PM JST is 3:00 AM GMT.
Is Glasgow Time ahead of or behind JST?
GMT is 9 hours behind JST, so it is earlier in Glasgow Time 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 Glasgow Time change for daylight saving time?
Yes. Glasgow Time next changes on 28 Mar 2027, when clocks go forward one hour from GMT to BST.
What is the best time for a meeting between JST and Glasgow Time?
JST and Glasgow Time 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 GMT.
Related conversions
Convert Glasgow Time to JST
Convert JST to other time zones
Convert other time zones to Glasgow Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.