Sun and Moon 31st Dec, 2025 in Big Sky, Montana, United States
Sunrise, sunset, moonrise, moonset and weather forecast

Sun 31st Dec, 2025 and Moon 31st Dec, 2025

Example: El Toro | El Rio | Avalon

Moonrise and Moonset 31st Dec, 2025

Moonrise
22:53:00PM

Moonset
14:20:00PM

Moonise Tonightnavigate_next Moonise Tomorrownavigate_next

Sunrise and Sunset 31st Dec, 2025

Sunrise
17:05:00PM

Sunset
01:52:00AM

Today's Sunset navigate_next Sunise Tomorrownavigate_next

31st Dec, 2025 and Next Moon Phase

Waxing Gibbous Moon
Current Phase

99.86% Full Moon
03rd Jan, 12:04:00PM

Current Moon Phasenavigate_next

Permalink :https://www.oorth.com/astronomy/united-states/big-sky/2025-12-31/open_in_new

< 30th Dec, 2025 | 01st Jan, 2026 >

Trending :

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

Moon Phase Calendar January 2026

Full Moon
04th Dec, 15:15:00PM

Last Quarter Moon
11th Dec, 12:53:00PM

New Moon
19th Dec, 17:45:00PM

First Quarter Moon
27th Dec, 11:11:00AM

Moon phase calendar for January 2026 navigate_next

31st Dec, 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 31st Dec, 2025

Night

00:00AM-15:18
03:39-00:00AM

Astronomical Twilight

15:18-15:54
03:03-03:39

Nautical Twilight

15:54-16:31
02:26-03:03

Civil Twilight

16:31-17:05
01:52-02:26

Solar Day

17:05-01:52
-1:511 long

Solar Noon

09:28

Next Seven Day Solar Calendar

December 2025	Rise	Set	Noon	Duration	Astro Twilight		Nautical Twilight		Civil Twilight
Date	Rise	Set	Noon	Duration	Start	End	Start	End	Start	End
31st	17:05:00PM	01:52:00AM	09:28:00AM	-1:511	15:18:00PM	15:54:00PM	15:54:00PM	16:31:00PM	16:31:00PM	17:05:00PM
31st	17:05:00PM	01:52:00AM	09:28:00AM	-1:511	03:03:00AM	03:39:00AM	02:26:00AM	03:03:00AM	01:52:00AM	02:26:00AM
32nd	17:05:00PM	01:53:00AM	09:29:00AM	-1:510	15:18:00PM	15:54:00PM	15:54:00PM	16:31:00PM	16:31:00PM	17:05:00PM
32nd	17:05:00PM	01:53:00AM	09:29:00AM	-1:510	03:04:00AM	03:40:00AM	02:26:00AM	03:04:00AM	01:53:00AM	02:26:00AM
33rd	17:05:00PM	01:54:00AM	09:29:00AM	-1:509	15:18:00PM	15:54:00PM	15:54:00PM	16:31:00PM	16:31:00PM	17:05:00PM
33rd	17:05:00PM	01:54:00AM	09:29:00AM	-1:509	03:05:00AM	03:41:00AM	02:27:00AM	03:05:00AM	01:54:00AM	02:27:00AM
34th	17:05:00PM	01:55:00AM	09:30:00AM	-1:508	15:18:00PM	15:54:00PM	15:54:00PM	16:31:00PM	16:31:00PM	17:05:00PM
34th	17:05:00PM	01:55:00AM	09:30:00AM	-1:508	03:06:00AM	03:42:00AM	02:28:00AM	03:06:00AM	01:55:00AM	02:28:00AM
35th	17:05:00PM	01:56:00AM	09:30:00AM	-1:507	15:18:00PM	15:54:00PM	15:54:00PM	16:31:00PM	16:31:00PM	17:05:00PM
35th	17:05:00PM	01:56:00AM	09:30:00AM	-1:507	03:07:00AM	03:43:00AM	02:29:00AM	03:07:00AM	01:56:00AM	02:29:00AM
36th	17:05:00PM	01:57:00AM	09:31:00AM	-1:506	15:18:00PM	15:54:00PM	15:54:00PM	16:31:00PM	16:31:00PM	17:05:00PM
36th	17:05:00PM	01:57:00AM	09:31:00AM	-1:506	03:08:00AM	03:44:00AM	02:30:00AM	03:08:00AM	01:57:00AM	02:30:00AM
37th	17:04:00PM	01:58:00AM	09:31:00AM	-1:505	15:18:00PM	15:54:00PM	15:54:00PM	16:31:00PM	16:31:00PM	17:04:00PM
37th	17:04:00PM	01:58:00AM	09:31:00AM	-1:505	03:09:00AM	03:44:00AM	02:31:00AM	03:09:00AM	01:58:00AM	02:31:00AM

31st Dec, 2025 Moon Position

Next Seven Day Moon Calendar

December 2025	Rise	Set	Rise	Meridian Passing	illumination
Date	Rise	Set	Rise	Meridian Passing	illumination
31	-	14:20:00PM	22:53:00PM	06:09:00AM	85.1%
32	-	15:41:00PM	23:46:00PM	13:05:00PM	50.5%
33	-	16:51:00PM	never rise	13:05:00PM	50.5%
34	00:54:00AM	17:47:00PM	-	13:05:00PM	50.5%
35	02:13:00AM	18:27:00PM	-	13:05:00PM	50.5%
36	03:37:00AM	18:57:00PM	-	13:05:00PM	50.5%
37	04:57:00AM	19:21:00PM	-	13:05:00PM	50.5%

Sun and Moon 31st Dec, 2025 in Big Sky, Montana, United States Sunrise, sunset, moonrise, moonset and weather forecast