Waxing Crescent
A waxing crescent is a moon less than half lit and growing, with the lit sliver on the right side of the disc as seen from the Northern Hemisphere.
- Illumination
- 1% to 49%, growing
- Where in the cycle
- days 1 to 7
When you can see it
Look west in the hour after sunset. The crescent sits low in the fading twilight and follows the sun below the horizon within a few hours, so it is an early-evening moon and never a late-night one. Each night it climbs higher and sets later.
What is happening up there
The moon has pulled far enough east of the sun that a thin strip of its lit half turns toward us. The unlit remainder is often faintly visible too, a dim grey disc inside the horns, and that glow is earthshine: sunlight reflected off Earth's clouds and oceans onto the moon's night side.
What a waxing crescent is said to mean
Read as the follow-through phase, the point where an intention set at the new moon starts taking a real shape. It carries a building, forward-leaning quality in most lunar traditions, the opposite of the waning half's letting-go framing.
Worth saying plainly: these readings are tradition, not fact. The astronomy on this page is computed and checkable; the meanings are a cultural inheritance, offered because people find them enjoyable.
What to do under it
The best crescent photographs happen now, because the low sun angle throws long shadows across the craters along the terminator and the sky behind is still blue rather than black.
A waxing crescent is a stretch of the cycle rather than a single instant, so it has no one date. It falls in the days between the principal phases either side of it, roughly a week out of every 29.5. The monthly moon calendar shows exactly which nights.
Know the phase without looking it up
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