Found 2 mods

Axial Tilt

by sparr
Adds seasonal changes to the length of the day/night.
27 days ago
0.15 - 0.16
523

Clockwork

by Yehn
Changes the parameters of the solar cycle: Make days longer or shorter and control what portion of the cycle is night. Includes an optional Sun Never Rises mode.
2 months ago
0.16
431