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.

In Toronto (43.6° latitude), March 2026 has 31 days whose sun rises at 06:58 and sets at 18:03 on the 1st, and at 07:04 and 19:41 on the 31th. Mid-month the day lasts 11 h 48 min and the sun reaches 44° above the horizon. Vitamin D synthesis is possible between 12:00 and 16:00, which is when the UV index reaches at least 3: at the best moment of the day about 14 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.

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

Where does the sun rise and set in Toronto in March?

Where it risesEast93°
Where it setsWest267°

Mid-March in Toronto: the sun rises in the east — a bearing of 93°, measured from true north — and sets in the west, at 267°. That is 3° south of due east at sunrise, and the same 3° south of due west at sunset. From the 1st to the last day of the month both points shift 16° north.

Approximate bearings: they can be a couple of degrees out. They are measured from true north, not the north a phone compass points to.

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
807:1707:4619:1219:4111 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
1906:5707:2619:2619:5512 h 00 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
2306:5007:1919:3120:0012 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

Common questions about the sun in Toronto in March

Where does the sun set in Toronto in March?
Mid-March in Toronto: the sun sets in the west, a bearing of 267° measured from true north, which is 3° south of due west. It rises in the east, at 93°. Over the month both points shift 16° north.
How much daylight does Toronto gain in March?
Over March the day gets 91 minutes longer in Toronto: on March 1 the sun rises at 06:58 and sets at 18:03, and on day 31 it rises at 07:04 and sets at 19:41.
How many hours of daylight does Toronto get in March?
In mid-March the day lasts 11 h 48 min in Toronto, from sunrise at 07:33 to sunset at 19:21. The table has the day length for each of the 31 days of the month.
What time does it start to get light in Toronto in March?
In mid-March the sky starts to get light at 07:05 in Toronto, when the sun is 6° below the horizon, and the sun itself does not rise until 07:33. The “Dawn” column of the table gives that time for every day of the month.
What time does it get dark in Toronto in March?
It's not the same time as sunset. In mid-March in Toronto the sun sets at 19:21, but there is still light: civil twilight does not end until 19:50, when the sun reaches 6° below the horizon and usable outdoor light runs out. The “Dusk” column of the table gives that time day by day.
What time of day can you make vitamin D in Toronto in March?
In mid-March, between 12:00 and 16:00: that is the stretch of the day when the UV index reaches 3 in Toronto, the minimum for the skin to make vitamin D. At the best moment of the day about 14 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.