The official name of Tucuman is San Miguel de Tucumán.
| Sunrise: | 06:33 |
| Sunset: | 19:36 |
| Transit: | 13:05 |
| Civil twilight | begin 06:09 | end 20:00 |
| Nautical twilight | begin 05:40 | end 20:29 |
| Astronomical twilight | begin 05:11 | end 20:58 |
| Day | Sunrise | Sunset | |
| Wed | (29 Oct 2025) | 06:32 | 19:37 |
| Thu | (30 Oct 2025) | 06:32 | 19:38 |
| Fri | (31 Oct 2025) | 06:31 | 19:38 |
| Sat | (1 Nov 2025) | 06:30 | 19:39 |
| Sun | (2 Nov 2025) | 06:29 | 19:40 |
| Mon | (3 Nov 2025) | 06:29 | 19:40 |
| Tue | (4 Nov 2025) | 06:28 | 19:41 |
| Latitude: | 26°50' South |
| Longitude: | 65°14' West |
Standard time is followed year around in Tucuman.
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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. |