Sun and Moon 21st Oct, 2025 in Great Falls, Montana, United States
Sunrise, sunset, moonrise, moonset and weather forecast

Sun 21st Oct, 2025 and Moon 21st Oct, 2025

Example: North Tustin | Reseda | San Dimas

Moonrise and Moonset 21st Oct, 2025

Moonrise
17:14:00PM

Moonset
02:52:00AM

Moonise Tonightnavigate_next Moonise Tomorrownavigate_next

Sunrise and Sunset 21st Oct, 2025

Sunrise
16:53:00PM

Sunset
03:28:00AM

Today's Sunset navigate_next Sunise Tomorrownavigate_next

21st Oct, 2025 and Next Moon Phase

New Moon
Current Phase

50.11% First Quarter Moon
29th Oct, 19:22:00PM

Current Moon Phasenavigate_next

Permalink :https://www.oorth.com/astronomy/united-states/great-falls/2025-10-21/open_in_new

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

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

Moon Phase Calendar October 2025

Full Moon
06th Oct, 20:49:00PM

Last Quarter Moon
13th Oct, 11:14:00AM

New Moon
21st Oct, 05:26:00AM

First Quarter Moon
29th Oct, 09:22:00AM

Moon phase calendar for October 2025 navigate_next

21st Oct, 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 Oct, 2025

Night

00:00AM-15:11
05:10-00:00AM

Astronomical Twilight

15:11-15:46
04:34-05:10

Nautical Twilight

15:46-16:22
03:59-04:34

Civil Twilight

16:22-16:53
03:28-03:59

Solar Day

16:53-03:28
-1:324 long

Solar Noon

10:10

Next Seven Day Solar Calendar

October 2025	Rise	Set	Noon	Duration	Astro Twilight		Nautical Twilight		Civil Twilight
Date	Rise	Set	Noon	Duration	Start	End	Start	End	Start	End
21st	16:53:00PM	03:28:00AM	10:10:00AM	-1:324	15:11:00PM	15:46:00PM	15:46:00PM	16:22:00PM	16:22:00PM	16:53:00PM
21st	16:53:00PM	03:28:00AM	10:10:00AM	-1:324	04:34:00AM	05:10:00AM	03:59:00AM	04:34:00AM	03:28:00AM	03:59:00AM
22nd	16:55:00PM	03:26:00AM	10:10:00AM	-1:327	15:12:00PM	15:48:00PM	15:48:00PM	16:23:00PM	16:23:00PM	16:55:00PM
22nd	16:55:00PM	03:26:00AM	10:10:00AM	-1:327	04:32:00AM	05:08:00AM	03:57:00AM	04:32:00AM	03:26:00AM	03:57:00AM
23rd	16:56:00PM	03:24:00AM	10:10:00AM	-1:330	15:13:00PM	15:49:00PM	15:49:00PM	16:24:00PM	16:24:00PM	16:56:00PM
23rd	16:56:00PM	03:24:00AM	10:10:00AM	-1:330	04:31:00AM	05:07:00AM	03:55:00AM	04:31:00AM	03:24:00AM	03:55:00AM
24th	16:58:00PM	03:22:00AM	10:10:00AM	-1:333	15:15:00PM	15:50:00PM	15:50:00PM	16:26:00PM	16:26:00PM	16:58:00PM
24th	16:58:00PM	03:22:00AM	10:10:00AM	-1:333	04:29:00AM	05:05:00AM	03:54:00AM	04:29:00AM	03:22:00AM	03:54:00AM
25th	16:59:00PM	03:21:00AM	10:10:00AM	-1:337	15:16:00PM	15:52:00PM	15:52:00PM	16:27:00PM	16:27:00PM	16:59:00PM
25th	16:59:00PM	03:21:00AM	10:10:00AM	-1:337	04:27:00AM	05:03:00AM	03:52:00AM	04:27:00AM	03:21:00AM	03:52:00AM
26th	17:01:00PM	03:19:00AM	10:10:00AM	-1:340	15:18:00PM	15:53:00PM	15:53:00PM	16:29:00PM	16:29:00PM	17:01:00PM
26th	17:01:00PM	03:19:00AM	10:10:00AM	-1:340	04:26:00AM	05:02:00AM	03:50:00AM	04:26:00AM	03:19:00AM	03:50:00AM
27th	17:02:00PM	03:17:00AM	10:10:00AM	-1:343	15:19:00PM	15:54:00PM	15:54:00PM	16:30:00PM	16:30:00PM	17:02:00PM
27th	17:02:00PM	03:17:00AM	10:10:00AM	-1:343	04:24:00AM	05:00:00AM	03:49:00AM	04:24:00AM	03:17:00AM	03:49:00AM

21st Oct, 2025 Moon Position

Next Seven Day Moon Calendar

October 2025	Rise	Set	Rise	Meridian Passing	illumination
Date	Rise	Set	Rise	Meridian Passing	illumination
21	-	02:52:00AM	17:14:00PM	22:18:00PM	0.2%
22	-	03:09:00AM	18:22:00PM	23:00:00PM	1.7%
23	-	03:29:00AM	19:32:00PM	23:48:00PM	5.1%
24	-	03:54:00AM	20:39:00PM	Moon meridian passing not observed on this day.
25	-	04:26:00AM	21:41:00PM	00:36:00AM	10.2%
26	-	05:08:00AM	22:35:00PM	01:26:00AM	16.8%
27	-	06:01:00AM	23:20:00PM	02:19:00AM	24.8%

Sun and Moon 21st Oct, 2025 in Great Falls, Montana, United States Sunrise, sunset, moonrise, moonset and weather forecast