mourner/suncalc

A tiny JavaScript library for calculating sun/moon positions and phases.

Stars: 3.5k
Forks: 440
Open beginner issues: 0
Indexed issues: 8

Dominant language: JavaScript
License: BSD-2-Clause
Last GitHub push: Sep 2, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

8 open issues indexed

Return next occurence of events instead of todays occurence Open

feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mourner/suncalc#139 · 1 reaction · Opened Feb 9, 2020
How can Real Solar Time be calculated? Open

feature sun

Difficulty 5/5 Over a week Newbie friendliness 15/100

mourner/suncalc#136 · 1 comment · Opened Aug 11, 2019
Is it possible to determine "true astronomical" dawn and dusk Open

feature sun

Difficulty 5/5 Over a week Newbie friendliness 25/100

mourner/suncalc#115 · 1 comment · Opened May 18, 2018
Feature request: Return moon's ra / dec in SunCalc.getMoonPosition() Open

feature moon

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

mourner/suncalc#105 · Opened Sep 4, 2017
Request moon nadir and zenith Open

feature moon

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mourner/suncalc#72 · 2 comments · Opened Aug 4, 2016
Feature request: solstices & equinoxes Open

feature sun

Difficulty 5/5 Over a week Newbie friendliness 35/100

mourner/suncalc#60 · 1 comment · 4 reactions · Opened Dec 20, 2015
Feature request: Date and time of specific moonphase Open

feature moon

Difficulty 5/5 Over a week Newbie friendliness 25/100

mourner/suncalc#41 · 1 comment · 3 reactions · Opened Feb 16, 2015
Feature request: Return time for sun at a particular azimuth Open

feature sun

Difficulty 4/5 3-5 days Newbie friendliness 42/100

mourner/suncalc#25 · 2 comments · Opened Jun 18, 2014

A short digest of beginner-friendly GitHub issues.