Vitamin D

The sun, month by month

Sunrise and sunset in Mexico City in December

On December 1 in Mexico City the sun rises at 06:55 and sets at 17:57; on day 31 it rises at 07:10 and sets at 18:09. Over the month the day barely changes.

Sunrise07:03
Sunset18:01
Golden hour17:29–18:01
Day length10 h 58 min

Day by day

All times are local to Mexico City. Dawn and dusk mark civil twilight.

DayDawnSunriseSunsetDuskDay length
106:3206:5517:5718:2111 h 02 min
206:3206:5617:5718:2111 h 01 min
306:3306:5717:5818:2111 h 01 min
406:3406:5717:5818:2211 h 01 min
506:3406:5817:5818:2211 h 00 min
606:3506:5817:5818:2210 h 60 min
706:3506:5917:5918:2210 h 60 min
806:3606:6017:5918:2310 h 59 min
906:3607:0017:5918:2310 h 59 min
1006:3707:0117:5918:2310 h 59 min
1106:3707:0117:6018:2410 h 58 min
1206:3807:0218:0018:2410 h 58 min
1306:3807:0218:0018:2410 h 58 min
1406:3907:0318:0118:2510 h 58 min
1506:4007:0318:0118:2510 h 58 min
1606:4007:0418:0218:2610 h 58 min
1706:4107:0418:0218:2610 h 58 min
1806:4107:0518:0218:2610 h 57 min
1906:4207:0518:0318:2710 h 57 min
2006:4207:0618:0318:2710 h 57 min
2106:4307:0618:0418:2810 h 57 min
2206:4307:0718:0418:2810 h 57 min
2306:4307:0718:0518:2910 h 57 min
2406:4407:0818:0518:2910 h 58 min
2506:4407:0818:0618:3010 h 58 min
2606:4507:0918:0618:3010 h 58 min
2706:4507:0918:0718:3110 h 58 min
2806:4607:0918:0718:3110 h 58 min
2906:4607:1018:0818:3210 h 58 min
3006:4607:1018:0918:3210 h 58 min
3106:4707:1018:0918:3310 h 59 min

Approximate astronomical values: they can shift a minute or two from year to year.

What about vitamin D in December?

In December, the typical synthesis window in Mexico City runs from 10:00 to 16:00: with medium skin and a t-shirt, ~7 min at the best moment is enough.

See the Mexico City vitamin D guide