Ain Sefra, Algeria - Sunrise, sunset, dawn and dusk times, table

Date	Sunrise	Sunset	Length	Change	Dawn	Dusk	Length	Change
Today	05:55	20:06	14:11		05:27	20:34	15:07
+1 day	05:55	20:06	14:11	00:00 equal length	05:27	20:35	15:08	00:01 longer
+1 week	05:54	20:09	14:15	00:04 longer	05:25	20:38	15:13	00:06 longer
+2 weeks	05:54	20:12	14:18	00:07 longer	05:25	20:41	15:16	00:09 longer
+1 month	05:58	20:14	14:16	00:05 longer	05:30	20:43	15:13	00:06 longer
+2 months	06:16	20:01	13:45	00:26 shorter	05:49	20:28	14:39	00:28 shorter
+3 months	06:36	19:29	12:53	01:18 shorter	06:11	19:54	13:43	01:24 shorter
+6 months	07:46	17:56	10:10	04:01 shorter	07:19	18:23	11:04	04:03 shorter

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

Ain Sefra, Algeria - Sunrise, sunset, dawn and dusk times, graph

Darkness

Dawn

Sunshine

Dusk

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Ain Sefra, Algeria - 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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Ain Sefra, Algeria - Seasons graph and Earth's orbit

Events

▲

Today

▲

December solstice

▲

March equinox

▲

June solstice

▲

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	2023-12-22 04:27	202d 6h 20min
March equinox	2024-03-20 04:06	291d 5h 59min
June solstice	2023-06-21 15:57	18d 17h 50min
September equinox	2023-09-23 07:50	112d 9h 43min

Ain Sefra, Algeria - Solar energy and surface meteorology

Variable	I	II	III	IV	V	VI	VII	VIII	IX	X	XI	XII
Insolation, kWh/m²/day	2.55	3.60	4.88	6.26	6.94	7.46	7.56	6.67	5.73	3.82	2.75	2.28
Clearness, 0 - 1	0.48	0.54	0.58	0.63	0.63	0.65	0.67	0.64	0.64	0.52	0.48	0.46
Temperature, °C	5.66	8.19	11.84	15.14	19.81	25.28	29.08	28.53	23.53	17.64	11.38	7.11
Wind speed, m/s	4.21	4.38	4.54	4.66	4.49	4.61	4.64	4.04	4.04	4.01	4.00	4.26
Precipitation, mm	18	18	27	21	20	14	4	8	16	20	20	19
Wet days, d	3.5	5.0	4.4	3.9	4.0	2.5	2.2	3.2	4.1	4.3	3.8	3.5

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

Latitude: +32.76 (32°45'36"N)
Longitude: -0.58 (0°34'48"W)
Base time zone: UTC+1 hours [?]
Local time: 22:06
Country: Algeria
Continent: Africa
Sub-region: Northern Africa
Distance: ~6700 km (from your IP)
Altitude: ~1100 m

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Date	Sunrise	Sunset	Length	Change	Dawn	Dusk	Length	Change
Today	05:55	20:06	14:11		05:27	20:34	15:07
-1 day	05:55	20:05	14:10	00:01 shorter	05:27	20:33	15:06	00:01 shorter
-1 week	05:57	20:02	14:05	00:06 shorter	05:30	20:29	14:59	00:08 shorter
-2 weeks	06:01	19:57	13:56	00:15 shorter	05:34	20:24	14:50	00:17 shorter
-1 month	06:14	19:45	13:31	00:40 shorter	05:47	20:12	14:25	00:42 shorter
-2 months	06:48	19:24	12:36	01:35 shorter	06:23	19:48	13:25	01:42 shorter
-3 months	07:27	19:02	11:35	02:36 shorter	07:02	19:26	12:24	02:43 shorter
-6 months	07:47	17:56	10:09	04:02 shorter	07:20	18:23	11:03	04:04 shorter

Event	Date	Time from
December solstice	2022-12-21 22:48	162d 23h 18min
March equinox	2023-03-20 22:24	73d 23h 42min
June solstice	2022-06-21 10:13	346d 11h 53min
September equinox	2022-09-23 02:03	252d 20h 3min