Sun and Moon 21st Sep, 2025 in Silverthorne, Colorado, United States
Sunrise, sunset, moonrise, moonset and weather forecast

Sun 21st Sep, 2025 and Moon 21st Sep, 2025

Example: Harbor City | Pacific Palisades | Downey

Moonrise and Moonset 21st Sep, 2025

Moonrise
06:40:00AM

Moonset
18:57:00PM

Moonise Tonightnavigate_next Moonise Tomorrownavigate_next

Sunrise and Sunset 21st Sep, 2025

Sunrise
06:51:00AM

Sunset
19:02:00PM

Today's Sunset navigate_next Sunise Tomorrownavigate_next

21st Sep, 2025 and Next Moon Phase

New Moon
Current Phase

50.14% First Quarter Moon
29th Sep, 17:55:00PM

Current Moon Phasenavigate_next

Permalink :https://www.oorth.com/astronomy/united-states/silverthorne/2025-09-21/open_in_new

< 20th Sep, 2025 | 22nd Sep, 2025 >

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Penumbral Lunar Eclipse on May 5th and 6th, 2023

Moon Phase Calendar October 2025

Full Moon
07th Sep, 11:10:00AM

Last Quarter Moon
14th Sep, 03:34:00AM

New Moon
21st Sep, 12:55:00PM

First Quarter Moon
29th Sep, 16:55:00PM

Moon phase calendar for October 2025 navigate_next

21st Sep, 2025 Sun Position

Sun Position

It achive maximum altitude of 60° at noon.
X-Axis: Horizontal axis indicates time passing from 00:00 hours to 24:00 hours.
Y-Axis: Vertical axis indicates altitude -90 degree to +90 degree.
The graph show sun altitude with time during a day. Horizontal line is the line showing horizan. Sun rise, Solar Noon and Sun set are shown as vertical line crossing the line of horizan.
Between -6° to sunrise it is Civil twilight
Between -12° to -6° it is Nautical twilight
Between -18° to -12° it is Astro twilight

Solar Twilight for 21st Sep, 2025

Night

00:00AM-05:21
20:32-00:00AM

Astronomical Twilight

05:21-05:53
20:01-20:32

Nautical Twilight

05:53-06:24
19:29-20:01

Civil Twilight

06:24-06:51
19:02-19:29

Solar Day

06:51-19:02
12:11 long

Solar Noon

12:57

Next Seven Day Solar Calendar

September 2025	Rise	Set	Noon	Duration	Astro Twilight		Nautical Twilight		Civil Twilight
Date	Rise	Set	Noon	Duration	Start	End	Start	End	Start	End
21st	06:51:00AM	19:02:00PM	12:57:00PM	12:11	05:21:00AM	05:53:00AM	05:53:00AM	06:24:00AM	06:24:00AM	06:51:00AM
21st	06:51:00AM	19:02:00PM	12:57:00PM	12:11	20:01:00PM	20:32:00PM	19:29:00PM	20:01:00PM	19:02:00PM	19:29:00PM
22nd	06:52:00AM	19:01:00PM	12:56:00PM	12:09	05:22:00AM	05:54:00AM	05:54:00AM	06:25:00AM	06:25:00AM	06:52:00AM
22nd	06:52:00AM	19:01:00PM	12:56:00PM	12:09	19:59:00PM	20:31:00PM	19:28:00PM	19:59:00PM	19:01:00PM	19:28:00PM
23rd	06:53:00AM	18:59:00PM	12:56:00PM	12:06	05:23:00AM	05:55:00AM	05:55:00AM	06:26:00AM	06:26:00AM	06:53:00AM
23rd	06:53:00AM	18:59:00PM	12:56:00PM	12:06	19:57:00PM	20:29:00PM	19:26:00PM	19:57:00PM	18:59:00PM	19:26:00PM
24th	06:54:00AM	18:57:00PM	12:56:00PM	12:03	05:24:00AM	05:56:00AM	05:56:00AM	06:27:00AM	06:27:00AM	06:54:00AM
24th	06:54:00AM	18:57:00PM	12:56:00PM	12:03	19:56:00PM	20:27:00PM	19:25:00PM	19:56:00PM	18:57:00PM	19:25:00PM
25th	06:55:00AM	18:56:00PM	12:55:00PM	12:01	05:25:00AM	05:57:00AM	05:57:00AM	06:28:00AM	06:28:00AM	06:55:00AM
25th	06:55:00AM	18:56:00PM	12:55:00PM	12:01	19:54:00PM	20:25:00PM	19:23:00PM	19:54:00PM	18:56:00PM	19:23:00PM
26th	06:56:00AM	18:54:00PM	12:55:00PM	11:58	05:26:00AM	05:58:00AM	05:58:00AM	06:29:00AM	06:29:00AM	06:56:00AM
26th	06:56:00AM	18:54:00PM	12:55:00PM	11:58	19:52:00PM	20:24:00PM	19:21:00PM	19:52:00PM	18:54:00PM	19:21:00PM
27th	06:57:00AM	18:52:00PM	12:55:00PM	11:55	05:27:00AM	05:59:00AM	05:59:00AM	06:30:00AM	06:30:00AM	06:57:00AM
27th	06:57:00AM	18:52:00PM	12:55:00PM	11:55	19:51:00PM	20:22:00PM	19:20:00PM	19:51:00PM	18:52:00PM	19:20:00PM

21st Sep, 2025 Moon Position

Next Seven Day Moon Calendar

September 2025	Rise	Set	Rise	Meridian Passing	illumination
Date	Rise	Set	Rise	Meridian Passing	illumination
21	06:40:00AM	18:57:00PM	-	12:54:00PM	0%
22	07:42:00AM	19:18:00PM	-	13:35:00PM	1%
23	08:43:00AM	19:39:00PM	-	14:16:00PM	3.9%
24	09:45:00AM	20:03:00PM	-	14:58:00PM	8.7%
25	10:47:00AM	20:30:00PM	-	15:43:00PM	14.9%
26	11:50:00AM	21:03:00PM	-	16:30:00PM	22.5%
27	12:51:00PM	21:43:00PM	-	17:19:00PM	31.2%

Sun and Moon 21st Sep, 2025 in Silverthorne, Colorado, United States Sunrise, sunset, moonrise, moonset and weather forecast