Nous montrons la longueur du jour à Libreville en aout 2021 et la longueur du jour pour l'équinoxe et le solstice pour la comparaison. De 1 août 2021 à 31 août 2021, la lumière du jour devient plus courte.
Heures de lever et coucher de soleil à Libreville en aout 2021.
En prenant le 1 aout 2021 comme référence, le soleil se lève à 06:24:32 à 72.05°ENE (Est-Nord-Est) et se couche à 18:32:30 à 303.16°ONO (Ouest-Nord-Ouest). Le lever et le coucher du soleil durent environ 2.23 minutes.
En prenant le 15 aout 2021 comme référence, le soleil se lève à 06:22:52 à 76.03°ENE (Est-Nord-Est) et se couche à 18:30:24 à 299.8°ONO (Ouest-Nord-Ouest). Le lever et le coucher du soleil durent environ 2.2 minutes.
| 2021 | Longueur du Jour | Aube | Lever | Midi Solaire | Coucher | Crépuscule | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aou | Longueur | Différence | Ast. | Nau. | Civ. | Début | Azimuth | Fin | Début | Azimuth | Fin | Civ. | Nau. | Ast. | |
| 1 | 12h 07m 58s | - | 05:12 | 05:37 | 06:02 | 06:24 | 72°ENE | 06:26 | 12:28 | 18:30 | 303°ONO | 18:32 | 18:54 | 19:19 | 19:44 |
| 2 | 12h 07m 57s | -1s | 05:12 | 05:37 | 06:02 | 06:24 | 72°ENE | 06:26 | 12:28 | 18:30 | 303°ONO | 18:32 | 18:54 | 19:19 | 19:44 |
| 3 | 12h 07m 55s | -2s | 05:12 | 05:37 | 06:02 | 06:24 | 73°ENE | 06:26 | 12:28 | 18:30 | 303°ONO | 18:32 | 18:53 | 19:19 | 19:44 |
| 4 | 12h 07m 53s | -2s | 05:12 | 05:37 | 06:02 | 06:24 | 73°ENE | 06:26 | 12:28 | 18:29 | 303°ONO | 18:32 | 18:53 | 19:18 | 19:44 |
| 5 | 12h 07m 51s | -2s | 05:12 | 05:37 | 06:02 | 06:24 | 73°ENE | 06:26 | 12:28 | 18:29 | 302°ONO | 18:32 | 18:53 | 19:18 | 19:43 |
| 6 | 12h 07m 49s | -2s | 05:12 | 05:37 | 06:02 | 06:24 | 73°ENE | 06:26 | 12:28 | 18:29 | 302°ONO | 18:31 | 18:53 | 19:18 | 19:43 |
| 7 | 12h 07m 47s | -2s | 05:12 | 05:37 | 06:02 | 06:24 | 74°ENE | 06:26 | 12:27 | 18:29 | 302°ONO | 18:31 | 18:53 | 19:18 | 19:43 |
| 8 | 12h 07m 45s | -2s | 05:12 | 05:37 | 06:02 | 06:23 | 74°ENE | 06:26 | 12:27 | 18:29 | 302°ONO | 18:31 | 18:53 | 19:18 | 19:43 |
| 9 | 12h 07m 44s | -1s | 05:12 | 05:37 | 06:02 | 06:23 | 74°ENE | 06:26 | 12:27 | 18:29 | 301°ONO | 18:31 | 18:53 | 19:17 | 19:42 |
| 10 | 12h 07m 42s | -2s | 05:12 | 05:37 | 06:02 | 06:23 | 75°ENE | 06:25 | 12:27 | 18:29 | 301°ONO | 18:31 | 18:52 | 19:17 | 19:42 |
| 11 | 12h 07m 40s | -2s | 05:12 | 05:37 | 06:02 | 06:23 | 75°ENE | 06:25 | 12:27 | 18:28 | 301°ONO | 18:31 | 18:52 | 19:17 | 19:42 |
| 12 | 12h 07m 38s | -2s | 05:12 | 05:37 | 06:01 | 06:23 | 75°ENE | 06:25 | 12:27 | 18:28 | 301°ONO | 18:31 | 18:52 | 19:17 | 19:42 |
| 13 | 12h 07m 36s | -2s | 05:12 | 05:37 | 06:01 | 06:23 | 75°ENE | 06:25 | 12:27 | 18:28 | 300°ONO | 18:30 | 18:52 | 19:16 | 19:41 |
| 14 | 12h 07m 34s | -2s | 05:12 | 05:36 | 06:01 | 06:23 | 76°ENE | 06:25 | 12:26 | 18:28 | 300°ONO | 18:30 | 18:51 | 19:16 | 19:41 |
| 15 | 12h 07m 32s | -2s | 05:12 | 05:36 | 06:01 | 06:22 | 76°ENE | 06:25 | 12:26 | 18:28 | 300°ONO | 18:30 | 18:51 | 19:16 | 19:41 |
| 16 | 12h 07m 30s | -2s | 05:11 | 05:36 | 06:01 | 06:22 | 76°ENE | 06:24 | 12:26 | 18:27 | 299°ONO | 18:30 | 18:51 | 19:16 | 19:40 |
| 17 | 12h 07m 28s | -2s | 05:11 | 05:36 | 06:01 | 06:22 | 77°ENE | 06:24 | 12:26 | 18:27 | 299°ONO | 18:29 | 18:51 | 19:15 | 19:40 |
| 18 | 12h 07m 27s | -1s | 05:11 | 05:36 | 06:01 | 06:22 | 77°ENE | 06:24 | 12:26 | 18:27 | 299°ONO | 18:29 | 18:50 | 19:15 | 19:40 |
| 19 | 12h 07m 24s | -3s | 05:11 | 05:36 | 06:00 | 06:22 | 77°ENE | 06:24 | 12:25 | 18:27 | 298°ONO | 18:29 | 18:50 | 19:15 | 19:39 |
| 20 | 12h 07m 23s | -1s | 05:11 | 05:36 | 06:00 | 06:21 | 78°ENE | 06:24 | 12:25 | 18:27 | 298°ONO | 18:29 | 18:50 | 19:14 | 19:39 |
| 21 | 12h 07m 21s | -2s | 05:11 | 05:35 | 06:00 | 06:21 | 78°ENE | 06:23 | 12:25 | 18:26 | 298°ONO | 18:28 | 18:50 | 19:14 | 19:39 |
| 22 | 12h 07m 19s | -2s | 05:11 | 05:35 | 06:00 | 06:21 | 78°ENE | 06:23 | 12:25 | 18:26 | 297°ONO | 18:28 | 18:49 | 19:14 | 19:38 |
| 23 | 12h 07m 17s | -2s | 05:11 | 05:35 | 06:00 | 06:21 | 79°ENE | 06:23 | 12:24 | 18:26 | 297°ONO | 18:28 | 18:49 | 19:13 | 19:38 |
| 24 | 12h 07m 16s | -1s | 05:10 | 05:35 | 05:59 | 06:20 | 79°ENE | 06:23 | 12:24 | 18:25 | 297°ONO | 18:28 | 18:49 | 19:13 | 19:38 |
| 25 | 12h 07m 13s | -3s | 05:10 | 05:35 | 05:59 | 06:20 | 79°ENE | 06:22 | 12:24 | 18:25 | 296°ONO | 18:27 | 18:48 | 19:13 | 19:37 |
| 26 | 12h 07m 11s | -2s | 05:10 | 05:34 | 05:59 | 06:20 | 80°ENE | 06:22 | 12:23 | 18:25 | 296°ONO | 18:27 | 18:48 | 19:12 | 19:37 |
| 27 | 12h 07m 9s | -2s | 05:10 | 05:34 | 05:59 | 06:20 | 80°ENE | 06:22 | 12:23 | 18:25 | 295°ONO | 18:27 | 18:48 | 19:12 | 19:36 |
| 28 | 12h 07m 08s | -1s | 05:10 | 05:34 | 05:58 | 06:19 | 80°ENE | 06:21 | 12:23 | 18:24 | 295°ONO | 18:26 | 18:47 | 19:12 | 19:36 |
| 29 | 12h 07m 06s | -2s | 05:09 | 05:34 | 05:58 | 06:19 | 81°ENE | 06:21 | 12:23 | 18:24 | 294°ONO | 18:26 | 18:47 | 19:11 | 19:36 |
| 30 | 12h 07m 05s | -1s | 05:09 | 05:34 | 05:58 | 06:19 | 81°ENE | 06:21 | 12:22 | 18:24 | 294°ONO | 18:26 | 18:47 | 19:11 | 19:35 |
| 31 | 12h 07m 02s | -3s | 05:09 | 05:33 | 05:58 | 06:18 | 81°ENE | 06:21 | 12:22 | 18:23 | 293°ONO | 18:25 | 18:46 | 19:11 | 19:35 |