Time in MEST and IST
The time difference between Middle European Summer Time (MEST) and Irish Standard Time (IST) is 1 hour. Irish Standard Time is 1 hour behind Middle European Summer Time.
This means 9am MEST is 8am IST and 5pm MEST is 4pm IST.
Middle European Summer Time
- The current local time in MEST is 10:01 pm (July 18, 2026)
- MEST time zone offset is UTC+02:00
Irish Standard Time
- The current local time in IST is 9:01 pm (July 18, 2026)
- IST time zone offset is UTC+01:00
How to convert Middle European Summer Time to Irish Standard Time?
Subtract 1 hour from Middle European Summer Time to get Irish Standard Time.
Time in MEST
00:00
Time in IST
00:00
Use the slider above to convert Middle European Summer Time to Irish Standard Time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| MEST | IST |
|---|---|
| 12am | 11pm |
| 1am | 12am |
| 2am | 1am |
| 3am | 2am |
| 4am | 3am |
| 5am | 4am |
| 6am | 5am |
| 7am | 6am |
| 8am | 7am |
| 9am | 8am |
| 10am | 9am |
| 11am | 10am |
| 12pm | 11am |
| 1pm | 12pm |
| 2pm | 1pm |
| 3pm | 2pm |
| 4pm | 3pm |
| 5pm | 4pm |
| 6pm | 5pm |
| 7pm | 6pm |
| 8pm | 7pm |
| 9pm | 8pm |
| 10pm | 9pm |
| 11pm | 10pm |