Reading Time to JST Converter
JST is 9 hours ahead of GMT. 9:00 AM GMT = 6:00 PM JST.
JST is 9 hours ahead of GMT at the moment. To convert Reading Time to JST, add 9 hours to the Reading Time time: 9:00 AM GMT = 6:00 PM JST.
Reading Time (Reading time) is used in Reading, UK. JST (Japan Time) is used in Japan.
Reading Time to JST time conversion table
Reading Time to JST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Reading Time | JST |
|---|---|
| 12:00 AM | 9:00 AM |
| 1:00 AM | 10:00 AM |
| 2:00 AM | 11:00 AM |
| 3:00 AM | 12:00 PM |
| 4:00 AM | 1:00 PM |
| 5:00 AM | 2:00 PM |
| 6:00 AM | 3:00 PM |
| 7:00 AM | 4:00 PM |
| Reading Time | JST |
|---|---|
| 8:00 AM | 5:00 PM |
| 9:00 AM | 6:00 PM |
| 10:00 AM | 7:00 PM |
| 11:00 AM | 8:00 PM |
| 12:00 PM | 9:00 PM |
| 1:00 PM | 10:00 PM |
| 2:00 PM | 11:00 PM |
| 3:00 PM | 12:00 AM+1 |
| Reading Time | JST |
|---|---|
| 4:00 PM | 1:00 AM+1 |
| 5:00 PM | 2:00 AM+1 |
| 6:00 PM | 3:00 AM+1 |
| 7:00 PM | 4:00 AM+1 |
| 8:00 PM | 5:00 AM+1 |
| 9:00 PM | 6:00 AM+1 |
| 10:00 PM | 7:00 AM+1 |
| 11:00 PM | 8:00 AM+1 |
Conversion table from Reading Time to JST for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in JST, −1 the previous day.
- ✓ marks 9 AM–5 PM in both places
- Greyed times are night in the destination (10 PM–6 AM)
How to convert Reading Time to JST
Add 9 hours to the Reading Time time to get JST.
Example: 9:00 AM GMT = 6:00 PM JST.
Across midnight: 10:00 PM GMT = 7:00 AM JST (next day). The date changes, so always check the day as well as the hour.
Time difference between Reading Time and JST
The time difference between Reading Time and JST 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: JST is 9 hours ahead of Reading Time.
- 29 Mar 2026 – 24 Oct 2026: JST is 8 hours ahead of Reading Time.
- 25 Oct 2026 – 31 Dec 2026: JST is 9 hours ahead of Reading Time.
Reading Time and JST during daylight saving time
- Reading 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).
- JST does not observe daylight saving time; it stays on UTC+9 all year.
Best time for a meeting between Reading Time and JST
Reading Time and JST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM GMT, which is 4:00 PM JST.
Reading Time to JST FAQ
What is the time difference between Reading Time and JST?
Right now JST is 9 hours ahead of GMT. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM Reading Time in JST?
9:00 AM GMT is 6:00 PM JST.
What is 12 PM (noon) Reading Time in JST?
12:00 PM GMT is 9:00 PM JST.
Is JST ahead of or behind Reading Time?
JST is 9 hours ahead of GMT, so it is later in JST than in Reading Time.
Does Reading Time change for daylight saving time?
Yes. Reading Time next changes on 28 Mar 2027, when clocks go forward one hour from GMT to BST.
Does JST change for daylight saving time?
No. JST stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between Reading Time and JST?
Reading Time and JST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM GMT, which is 4:00 PM JST.
Related conversions
Convert JST to Reading Time
Convert Reading Time to other time zones
Convert other time zones to JST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.