| Abbreviation: | EEST - Eastern European Summer Time |
| UTC Offset: | UTC+3 Lahti, Finland is 3 hours ahead of UTC. |
| DST Changes: | Daylight Saving Time is currently being observed in Lahti. |
| Date DST Started: | 26 March 2023 Clocks are turned forward 1 hour. |
| Date DST Ends: | 29 October 2023 Clocks are turned backward 1 hour. |
| Country: | Finland |
| Latitude: | 60° 59' North |
| Longitude: | 25° 39' East |
| Area Code: | +358-3 |