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Post by firebird1988 on Aug 21, 2019 12:52:55 GMT -5
8/21 Phoenix, AZ
Sunrise 5:54am UTC-7
Sunset 7:09pm UTC-7
We are now 2/3 of the way through calendar summer, and have lost 1 hr and 8 mins of daylength since June 19th. Sunrise is now 36 mins later and sunset is now 33 mins earlier
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Post by Morningrise on Aug 21, 2019 21:02:13 GMT -5
August 21st is our last day of the year with a sunrise before 6:00am and our first of the season with a peak sun angle below 50 degrees.
Sunrise: 5:59
Sunset: 20:18
Solar noon: 13:09
Day length: 14:18:25
Peak sun angle: 49.9 degrees
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Post by Hiromant on Aug 26, 2019 4:48:59 GMT -5
Sunrise: 6:02
Sunset: 20:40
Day length: 14 h 39 min
Peak sun angle: 41,1°
Four hours of daylight lost, temperatures are still in July. Seasonal lag sucks.
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Post by Morningrise on Aug 26, 2019 9:52:38 GMT -5
August 26th:
Sunrise: 6:08
Sunset: 20:07
Day length: 13:59:21
Peak sun angle: 48.2 degrees
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Post by firebird1988 on Aug 28, 2019 13:37:57 GMT -5
8/28 Phoenix, AZ
Sunrise 5:59am UTC-7
Sunset 7:00pm UTC-7
Today is our final pre-6am sunrise, our final 7pm sunset, and our final 13hr+ day of the year, all in the same day!
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Post by Morningrise on Aug 28, 2019 19:54:16 GMT -5
August 28th:
Sunrise: 6:11
Sunset: 20:03
Day length: 13:51:38
Peak sun angle: 47.5 degrees
Tomorrow is our last day with the sunset at/after 8:00pm.
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Post by alex992 on Aug 29, 2019 3:43:01 GMT -5
Today (August 21st):
Herndon, VA; 38.97 N
Sunrise: 06:35:30
Solar Noon: 13:10:11
Sunset: 19:44:52
Length of Day: 13:09:22
Peak Sun Angle: 60.31 degrees
Nearly the end of August. Sunsets are now at 7:45 pm and sunrises are post 6:30 am. Today is also the last day with 60+ degree sun angles for the year, and daylight is quickly descending below 13 hours. We're quickly approaching the time of year where day length is roughly equal at all latitudes. We've lost about 105 mins (1 hr and 45 mins) of daylight since the solstice (51 mins in sunrises, 54 mins in sunsets). Day length and sun angles don't really look summerlike anymore, as we're back to first half of April sun angles/day lengths (equivalent to April 13th for today). Since the solstice, the sun angle has dropped by 14.2 degrees (roughly), so we're about 60% of the way between the solstice and equinox, and 30% of the way between both solstices (summer and winter).
Sun angle is directly overhead (90 degrees) at 9.28 N and on the horizon at 80.72 S for today.
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Post by Morningrise on Aug 30, 2019 12:03:52 GMT -5
August 30th is our first pre-8pm sunset of the season, it'll be back to 8pm on April 12th next year. We're currently losing 3:53 of day length per day, this will continue to slowly increase until we reach 4:00 per day in late September. We're also 5 days away from our final 45 degree sun angle of the year.
Sunrise: 6:14
Sunset: 19:58
Day length: 13:43:52
Peak sun angle: 46.8 degrees
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Post by alex992 on Sept 6, 2019 10:40:36 GMT -5
Today (September 6th):
Herndon, VA; 38.97 N
Sunrise: 06:42:40
Solar Noon: 13:07:36
Sunset: 19:32:33
Length of Day: 12:49:53
Peak Sun Angle: 57.39 degrees
We're now at the last day of the brightest five months of the year (April 6 - September 6 roughly). Daylight is decreasing noticeably, we're now under 13 hours of daylight which means we're quickly approaching the equinox. Since the solstice, we've now lost 2 hours and 6 mins of daylight (1 hr and 7 mins in sunsets, 59 mins in sunrises) and the sun angle has decreased by 17.1 degrees, which means we're now 72.8% of the way between the solstice and the equinox in terms of sun angle and 36.4% of the way between the solstice and winter solstice. We're back to very early April sun angles (April 5th is the equivalent for today). Sun is now overhead at 6.36 N and on the horizon at 83.64 S.
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Post by Hiromant on Sept 6, 2019 11:08:45 GMT -5
Sunrise: 6:27
Sunset: 20:08
Day length: 13 h 41 min
Peak sun angle: 37,1°
Nearly five hours of daylight lost. While there are still a few warm days in the forecast, all pretense of summer is now over.
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Post by Nidaros on Sept 9, 2019 13:25:56 GMT -5
Sep 9th
Sunrise: 06:24
Sunset: 20:05
Civil twilight end: 20:54
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Post by Morningrise on Sept 9, 2019 21:37:43 GMT -5
Getting shorter rapidly. Tomorrow (Sept 10th) will be our last day longer than 13 hours...
September 10th:
Sunrise: 6:32
Sunset: 19:33
Day length: 13:00:36
Peak sun angle: 43.1 degrees
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Post by Hiromant on Sept 12, 2019 2:19:46 GMT -5
Sunrise: 6:41
Sunset: 19:51
Day length: 13 h 10 min
Peak sun angle: 34,9°
Closing in on the equinox now and peak sun angle is about that of Svalbard on the summer solstice.
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Post by firebird1988 on Sept 12, 2019 18:02:56 GMT -5
9/12 Phoenix, AZ
Sunrise 6:09am UTC-7
Sunset 6:40pm UTC-7
We have now lost 1 hour and 52 mins of daylight since June 19th, Sunrise is 49 mins later and sunset is 1 hr and 2 mins earlier
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Post by alex992 on Sept 14, 2019 9:53:27 GMT -5
Today (September 14th):
Herndon, VA; 38.97 N
Sunrise: 06:49:49
Solar Noon: 13:04:49
Sunset: 19:19:49
Length of Day: 12:30:00
Peak Sun Angle: 54.36 degrees
We're now back to late March sun angles (equivalent to March 28th). Sunrises are now at 6:50 AM and sunsets are now at 7:20 PM, solar noon is also becoming noticeably earlier. Today's day length is exactly 12 hrs and 30 mins which is quite interesting (to me at least, lol) and sun angles have now descended below 55 degrees. We've now lost 2 hrs and 24 mins of daylight since the solstice, 1 hr and 5 min in sunrises and 1 hr and 19 mins in sunsets. Sun angle has dropped by 20.13 degrees since the solstice and has 3.37 degrees to go until the equinox, which means we're roughly 86% of the way between the summer solstice and the equinox, and 43% of the way between both solstices. Sun angle is now directly overhead (90 degrees) at 3.33 N and on the horizon (0 degrees) at 86.67 S.
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Post by firebird1988 on Sept 16, 2019 9:26:58 GMT -5
9/16 Phoenix, AZ
Sunrise 6:12am UTC-7
Sunset 6:35pm UTC-7
We have lost exactly 2 hrs of daylight since the solstice. Today is 12 hrs 23 mins long. Our sunrise is now 54 mins later and our sunset is now 1 hr 7 mins earlier
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Post by Moron on Sept 17, 2019 5:42:21 GMT -5
September 17th
Getting very close to the spring equinox now!
Sunrise: 6:13am
Sunset: 6:09pm
Peak Sun Angle: 55.7 degrees
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Post by Cadeau on Sept 17, 2019 9:56:00 GMT -5
Today  Paris, Île-de-France, France (17 September 2019) Civil Twilight Starts = 06:58 Sunrise = 07:29Solar Noon = 13:45 (43.4° above the horizon) Sunset = 20:00Civil Twilight Ends = 20:31 Day Length = 12 hours 31 minutes The next post-20h sunset will be the 31st of March. |
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Post by firebird1988 on Sept 19, 2019 9:46:25 GMT -5
9/19 Phoenix, AZ
Sunrise 6:14am UTC-7
Sunset 6:31pm UTC-7
Today is our last 6:30pm or later sunset of the year, next one will be March 7th next year
We have now lost 2 hrs 6 mins of daylight since June 19th. Sunrise is 56 mins later and sunset is 1 hr 11 mins earlier
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Post by Morningrise on Sept 19, 2019 16:54:09 GMT -5
Our peak sun angle dropped below 40 degrees yesterday. We're currently losing 3:59 of daylight per day and have lost 4 hours and 21 minutes of daylight since the solstice.
September 19th stats:
Sunrise: 6:47
Sunset: 19:12
Day length: 12:24:45
Peak sun angle: 39.3 degrees
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