December 2021 - Boston, Massachusetts - Sunrise and sunset calendar
Sunrise and sunset times, civil twilight start and end times as well as solar noon, and day length for every day of December 2021 in Boston, MA.
The day length shortens by 10 minutes over the course of December 2021, from 09 hours, 21 minutes on the first day to 09 hours, 11 minutes on the last in Boston, Massachusetts.
Day | Twilight Start | Sunrise | Sunset | Twilight End | Day Length | Solar Noon
![]() |
Nautical Twilight Start | Nautical Twilight End | Astronomical Twilight Start | Astronomical Twilight End | Moon phase |
---|---|---|---|---|---|---|---|---|---|---|---|
Wed, Dec 1 | 6:22:53 am | 6:52:34 am | 4:14:16 pm | 4:43:57 pm | 09:21:42 | 11:33:25 am | 5:47 am | 5:18 pm | 5:14 am | 5:52 pm | 🌘 (14%) |
Thu, Dec 2 | 6:23:52 am | 6:53:36 am | 4:13:59 pm | 4:43:44 pm | 09:20:23 | 11:33:48 am | 5:48 am | 5:18 pm | 5:15 am | 5:52 pm | 🌘 (7%) |
Fri, Dec 3 | 6:24:50 am | 6:54:38 am | 4:13:45 pm | 4:43:33 pm | 09:19:07 | 11:34:11 am | 5:49 am | 5:18 pm | 5:15 am | 5:52 pm | 🌘 (2%) |
Sat, Dec 4 | 6:25:47 am | 6:55:38 am | 4:13:34 pm | 4:43:24 pm | 09:17:56 | 11:34:36 am | 5:50 am | 5:18 pm | 5:16 am | 5:52 pm | 🌑 (0%) |
Sun, Dec 5 | 6:26:43 am | 6:56:36 am | 4:13:25 pm | 4:43:18 pm | 09:16:49 | 11:35:01 am | 5:51 am | 5:18 pm | 5:17 am | 5:52 pm | 🌒 (1%) |
Mon, Dec 6 | 6:27:38 am | 6:57:34 am | 4:13:18 pm | 4:43:14 pm | 09:15:44 | 11:35:26 am | 5:52 am | 5:18 pm | 5:18 am | 5:52 pm | 🌒 (5%) |
Tue, Dec 7 | 6:28:31 am | 6:58:30 am | 4:13:14 pm | 4:43:12 pm | 09:14:44 | 11:35:52 am | 5:53 am | 5:18 pm | 5:19 am | 5:52 pm | 🌒 (12%) |
Wed, Dec 8 | 6:29:23 am | 6:59:24 am | 4:13:12 pm | 4:43:13 pm | 09:13:48 | 11:36:18 am | 5:54 am | 5:18 pm | 5:20 am | 5:52 pm | 🌒 (21%) |
Thu, Dec 9 | 6:30:14 am | 7:00:17 am | 4:13:13 pm | 4:43:16 pm | 09:12:56 | 11:36:45 am | 5:54 am | 5:18 pm | 5:20 am | 5:52 pm | 🌒 (30%) |
Fri, Dec 10 | 6:31:03 am | 7:01:09 am | 4:13:16 pm | 4:43:21 pm | 09:12:07 | 11:37:12 am | 5:55 am | 5:18 pm | 5:21 am | 5:52 pm | 🌒 (41%) |
Sat, Dec 11 | 6:31:51 am | 7:01:58 am | 4:13:21 pm | 4:43:28 pm | 09:11:23 | 11:37:40 am | 5:56 am | 5:18 pm | 5:22 am | 5:52 pm | 🌓 (51%) |
Sun, Dec 12 | 6:32:37 am | 7:02:47 am | 4:13:29 pm | 4:43:38 pm | 09:10:42 | 11:38:08 am | 5:57 am | 5:18 pm | 5:23 am | 5:53 pm | 🌔 (61%) |
Mon, Dec 13 | 6:33:22 am | 7:03:33 am | 4:13:39 pm | 4:43:50 pm | 09:10:06 | 11:38:36 am | 5:57 am | 5:19 pm | 5:23 am | 5:53 pm | 🌔 (71%) |
Tue, Dec 14 | 6:34:05 am | 7:04:17 am | 4:13:52 pm | 4:44:04 pm | 09:09:35 | 11:39:05 am | 5:58 am | 5:19 pm | 5:24 am | 5:53 pm | 🌔 (79%) |
Wed, Dec 15 | 6:34:47 am | 7:05:00 am | 4:14:07 pm | 4:44:20 pm | 09:09:07 | 11:39:34 am | 5:59 am | 5:19 pm | 5:25 am | 5:53 pm | 🌔 (86%) |
Thu, Dec 16 | 6:35:27 am | 7:05:41 am | 4:14:24 pm | 4:44:39 pm | 09:08:43 | 11:40:03 am | 6:00 am | 5:20 pm | 5:25 am | 5:54 pm | 🌔 (92%) |
Fri, Dec 17 | 6:36:05 am | 7:06:20 am | 4:14:44 pm | 4:44:59 pm | 09:08:24 | 11:40:32 am | 6:00 am | 5:20 pm | 5:26 am | 5:54 pm | 🌔 (97%) |
Sat, Dec 18 | 6:36:41 am | 7:06:57 am | 4:15:06 pm | 4:45:22 pm | 09:08:09 | 11:41:02 am | 6:01 am | 5:20 pm | 5:27 am | 5:55 pm | 🌔 (99%) |
Sun, Dec 19 | 6:37:15 am | 7:07:32 am | 4:15:30 pm | 4:45:47 pm | 09:07:58 | 11:41:31 am | 6:01 am | 5:21 pm | 5:27 am | 5:55 pm | 🌕 (100%) |
Mon, Dec 20 | 6:37:48 am | 7:08:05 am | 4:15:57 pm | 4:46:14 pm | 09:07:52 | 11:42:01 am | 6:02 am | 5:21 pm | 5:28 am | 5:55 pm | 🌖 (99%) |
Tue, Dec 21 | 6:38:19 am | 7:08:36 am | 4:16:26 pm | 4:46:43 pm | 09:07:50 | 11:42:31 am | 6:02 am | 5:22 pm | 5:28 am | 5:56 pm | 🌖 (96%) |
Wed, Dec 22 | 6:38:48 am | 7:09:04 am | 4:16:57 pm | 4:47:14 pm | 09:07:53 | 11:43:01 am | 6:03 am | 5:22 pm | 5:29 am | 5:56 pm | 🌖 (92%) |
Thu, Dec 23 | 6:39:14 am | 7:09:31 am | 4:17:30 pm | 4:47:46 pm | 09:07:59 | 11:43:30 am | 6:03 am | 5:23 pm | 5:29 am | 5:57 pm | 🌖 (86%) |
Fri, Dec 24 | 6:39:39 am | 7:09:55 am | 4:18:05 pm | 4:48:21 pm | 09:08:10 | 11:44:00 am | 6:04 am | 5:23 pm | 5:30 am | 5:58 pm | 🌖 (78%) |
Sat, Dec 25 | 6:40:02 am | 7:10:17 am | 4:18:43 pm | 4:48:58 pm | 09:08:26 | 11:44:30 am | 6:04 am | 5:24 pm | 5:30 am | 5:58 pm | 🌖 (69%) |
Sun, Dec 26 | 6:40:23 am | 7:10:37 am | 4:19:22 pm | 4:49:37 pm | 09:08:45 | 11:45:00 am | 6:04 am | 5:25 pm | 5:30 am | 5:59 pm | 🌖 (59%) |
Mon, Dec 27 | 6:40:41 am | 7:10:54 am | 4:20:04 pm | 4:50:17 pm | 09:09:10 | 11:45:29 am | 6:05 am | 5:25 pm | 5:31 am | 5:59 pm | 🌗 (49%) |
Tue, Dec 28 | 6:40:58 am | 7:11:10 am | 4:20:47 pm | 4:50:59 pm | 09:09:37 | 11:45:58 am | 6:05 am | 5:26 pm | 5:31 am | 6:00 pm | 🌘 (38%) |
Wed, Dec 29 | 6:41:12 am | 7:11:23 am | 4:21:33 pm | 4:51:43 pm | 09:10:10 | 11:46:28 am | 6:05 am | 5:27 pm | 5:31 am | 6:01 pm | 🌘 (27%) |
Thu, Dec 30 | 6:41:24 am | 7:11:33 am | 4:22:20 pm | 4:52:29 pm | 09:10:47 | 11:46:56 am | 6:06 am | 5:27 pm | 5:31 am | 6:01 pm | 🌘 (18%) |
Fri, Dec 31 | 6:41:34 am | 7:11:41 am | 4:23:09 pm | 4:53:16 pm | 09:11:28 | 11:47:25 am | 6:06 am | 5:28 pm | 5:32 am | 6:02 pm | 🌘 (10%) |
The average sunrise time was 7:04:47 am and the average sunset was 4:15:17 pm in December 2021 in Boston.