Rotterdam is the second-largest city in the Netherlands and one of the busiest ports in the world.
| Sunrise: | 07:03 |
| Sunset: | 18:41 |
| Transit: | 12:52 |
| Civil twilight | begin 06:29 | end 19:14 |
| Nautical twilight | begin 05:50 | end 19:54 |
| Astronomical twilight | begin 05:10 | end 20:34 |
| Day | Sunrise | Sunset | |
| Fri | (13 Mar 2026) | 07:00 | 18:43 |
| Sat | (14 Mar 2026) | 06:58 | 18:44 |
| Sun | (15 Mar 2026) | 06:56 | 18:46 |
| Mon | (16 Mar 2026) | 06:53 | 18:48 |
| Tue | (17 Mar 2026) | 06:51 | 18:50 |
| Wed | (18 Mar 2026) | 06:49 | 18:51 |
| Thu | (19 Mar 2026) | 06:47 | 18:53 |
| Latitude: | 51°55' North |
| Longitude: | 4°28' East |
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Greenwich Mean Time (GMT) is originally referring to mean solar time at the Royal Observatory in Greenwich, London. GMT and Coordinated Universal Time (UTC) can be seen equivalent when fractions of a second are not important. |