Waxing Gibbous
The Waxing Gibbous phase shows more than half of the Moon lit and growing toward full illumination.
- Position in cycle
- 4 of 8
- Phase Angle Range
- 135° to 180° Moon-Sun Phase Angle
- Illumination Range
- 50% to ~95%
Orbital Geometry
The Moon moves beyond 90° square toward 180° opposition.
Observational Notes
Visible in the afternoon and early evening, shining brightly most of the night.
Frequently asked questions
- What does 'gibbous' mean?
- Gibbous means humped or swollen, describing a disk that is more than half lit but not yet full.