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