Gao, Mali - Sunrise, sunset, dawn and dusk times, table

Date	Sunrise	Sunset	Length	Change	Dawn	Dusk	Length	Change
Today	06:14	17:27	11:13		05:51	17:50	11:59
+1 day	06:15	17:27	11:12	00:01 shorter	05:51	17:50	11:59	00:00 equal length
+1 week	06:18	17:29	11:11	00:02 shorter	05:55	17:52	11:57	00:02 shorter
+2 weeks	06:22	17:32	11:10	00:03 shorter	05:59	17:55	11:56	00:03 shorter
+1 month	06:29	17:40	11:11	00:02 shorter	06:06	18:04	11:58	00:01 shorter
+2 months	06:30	17:58	11:28	00:15 longer	06:08	18:20	12:12	00:13 longer
+3 months	06:16	18:08	11:52	00:39 longer	05:54	18:30	12:36	00:37 longer
+6 months	05:27	18:30	13:03	01:50 longer	05:03	18:54	13:51	01:52 longer

Notes: Daylight saving time, * = Next day. Change preferences.

Gao, Mali - Sunrise, sunset, dawn and dusk times, graph

Darkness

Dawn

Sunshine

Dusk

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Gao, Mali - Sun path diagram

Sun path

Today

June solstice

December solstice

Annual variation

Equinox (March and September)

Sunrise/sunset

Time

Notes: • = Daylight saving time, * = Next day. How to read this graph? Change preferences.

Size: More: Ultraviolet radiation, Vitamin D, Shadow length

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January 21, sun path

February 21, sun path

March equinox, sun path

April 21, sun path

May 21, sun path

June solstice, sun path

July 21, sun path

August 21, sun path

September equinox, sun path

October 21, sun path

November 21, sun path

December solstice, sun path

Today, sun path

Annual variation

Equinoxes, sun path

Shadow

Shadow length

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0-	⅒-	¼-	½-	1-	1½-	2-	3-	4-	5-	10-	20-	-∞

Solar ultraviolet (UV) radiation [?]

Rough clear sky estimates. Wavelengths: UVA λ=360 nm, UVB λ=300 nm. Source: CICARMA, Emanuela, et al. Sun and sun beds: inducers of vitamin D and skin cancer. Anticancer research, 2009, 29.9: 3495-3500.

Both UVA and UVB cause skin damage (sunburn, premature aging, skin cancer).
UVB is responsible for delayed tanning and burning.
UVA is responsible for the immediate tanning effect.
Exposure to UVB radiation helps the skin produce vitamin D (D3).

UVA, Vertical cylinder [?]

CICARMA, Emanuela, et al. Sun and sun beds: inducers of vitamin D and skin cancer. Anticancer research, 2009, 29.9: 3495-3500.

UVB, Vertical cylinder [?]

CICARMA, Emanuela, et al. Sun and sun beds: inducers of vitamin D and skin cancer. Anticancer research, 2009, 29.9: 3495-3500.

UVA, Horizontal plane [?]

CICARMA, Emanuela, et al. Sun and sun beds: inducers of vitamin D and skin cancer. Anticancer research, 2009, 29.9: 3495-3500.

UVB, Horizontal plane [?]

CICARMA, Emanuela, et al. Sun and sun beds: inducers of vitamin D and skin cancer. Anticancer research, 2009, 29.9: 3495-3500.

UVB radiation is sufficient for vitamin D3 synthesis [?]

TSIARAS, William G.; WEINSTOCK, Martin A. Factors influencing vitamin D status. Acta dermato-venereologica, 2011, 91.2: 115-124.

Normalized dose rate

0		1.6

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Gao, Mali - Seasons graph and Earth's orbit

Events

▲

Today

▲

December solstice

▲

March equinox

▲

June solstice

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September equinox

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Perihelion [?]

▲

Aphelion [?]

Earth's orbit

This year

Min, years 1600–2600 [?]

Max, years 1600–2600 [?]

Variation, years 1600–2600

Seasons

Winter

Spring

Summer

Fall

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Event	Date	Time to
December solstice	2021-12-21 15:59	16d 19h 30min
March equinox	2022-03-20 15:33	105d 19h 4min
June solstice	2022-06-21 09:13	198d 12h 44min
September equinox	2022-09-23 01:03	292d 4h 34min

Gao, Mali - Solar energy and surface meteorology

Variable	I	II	III	IV	V	VI	VII	VIII	IX	X	XI	XII
Insolation, kWh/m²/day	4.58	5.58	6.31	6.68	6.63	6.38	6.18	6.00	5.88	5.61	4.87	4.35
Clearness, 0 - 1	0.57	0.63	0.64	0.64	0.62	0.60	0.58	0.57	0.59	0.61	0.59	0.57
Temperature, °C	21.50	23.94	28.16	32.37	34.05	32.86	29.79	28.80	30.65	30.95	27.17	23.00
Wind speed, m/s	6.43	6.39	5.76	5.08	4.99	5.27	4.72	4.32	4.41	4.60	5.22	6.33
Precipitation, mm	0	0	0	1	7	23	63	85	31	5	0	0
Wet days, d	0.0	0.0	0.2	0.2	0.5	3.8	8.4	8.6	5.6	0.7	0.0	0.1

These data were obtained from the NASA Langley Research Center Atmospheric Science Data Center; New et al. 2002
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Gao, Mali - Basic information

Latitude: +16.27 (16°16'12"N)
Longitude: -0.05 (0°03'00"W)
Base time zone: UTC+0 hours [?]
Local time: 20:28
Country: Mali
Continent: Africa
Sub-region: Western Africa
Distance: ~7800 km (from your IP)
Altitude: ~230 m

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Date	Sunrise	Sunset	Length	Change	Dawn	Dusk	Length	Change
Today	06:14	17:27	11:13		05:51	17:50	11:59
-1 day	06:14	17:27	11:13	00:00 equal length	05:50	17:50	12:00	00:01 longer
-1 week	06:10	17:26	11:16	00:03 longer	05:47	17:49	12:02	00:03 longer
-2 weeks	06:06	17:25	11:19	00:06 longer	05:43	17:48	12:05	00:06 longer
-1 month	05:59	17:29	11:30	00:17 longer	05:36	17:51	12:15	00:16 longer
-2 months	05:51	17:46	11:55	00:42 longer	05:29	18:08	12:39	00:40 longer
-3 months	05:48	18:10	12:22	01:09 longer	05:26	18:32	13:06	01:07 longer
-6 months	05:27	18:30	13:03	01:50 longer	05:03	18:54	13:51	01:52 longer

Event	Date	Time from
December solstice	2020-12-21 10:02	348d 10h 26min
March equinox	2021-03-20 09:37	259d 10h 51min
June solstice	2021-06-21 03:32	166d 16h 56min
September equinox	2021-09-22 19:21	73d 1h 7min