Vitamin D

The sun, month by month

Sunrise and sunset in Toronto in March

On March 1 in Toronto the sun rises at 06:58 and sets at 18:03; on day 31 it rises at 07:04 and sets at 19:41. Over the month the day grows 91 minutes longer.

Sunrise07:33
Sunset19:21
Golden hour18:43–19:21
Day length11 h 48 min

Day by day

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

DayDawnSunriseSunsetDuskDay length
106:2906:5818:0318:3211 h 05 min
206:2706:5618:0518:3311 h 08 min
306:2606:5418:0618:3511 h 11 min
406:2406:5318:0718:3611 h 14 min
506:2206:5118:0818:3711 h 17 min
606:2106:4918:1018:3811 h 20 min
706:1906:4818:1118:4011 h 23 min
806:1706:4618:1218:4111 h 26 min
907:1507:4419:1419:4211 h 29 min
1007:1407:4219:1519:4311 h 32 min
1107:1207:4119:1619:4511 h 35 min
1207:1007:3919:1719:4611 h 39 min
1307:0807:3719:1919:4711 h 42 min
1407:0707:3519:2019:4811 h 45 min
1507:0507:3319:2119:5011 h 48 min
1607:0307:3119:2219:5111 h 51 min
1707:0107:3019:2319:5211 h 54 min
1806:5907:2819:2519:5311 h 57 min
1906:5707:2619:2619:5511 h 60 min
2006:5607:2419:2719:5612 h 03 min
2106:5407:2219:2819:5712 h 06 min
2206:5207:2019:3019:5812 h 09 min
2306:5007:1919:3119:6012 h 12 min
2406:4807:1719:3220:0112 h 15 min
2506:4607:1519:3320:0212 h 18 min
2606:4407:1319:3520:0312 h 22 min
2706:4207:1119:3620:0512 h 25 min
2806:4107:0919:3720:0612 h 28 min
2906:3907:0719:3820:0712 h 31 min
3006:3707:0619:3920:0812 h 34 min
3106:3507:0419:4120:1012 h 37 min

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

What about vitamin D in March?

In March, the typical synthesis window in Toronto runs from 12:00 to 16:00: with medium skin and a t-shirt, ~14 min at the best moment is enough.

See the Toronto vitamin D guide