The only moon calendar that holds the 13 × 28 year beside the Gregorian date and the true moon.
For the 13 Moon follower who plans in 13 months of 28 days and keeps converting to Gregorian dates for work and family.
You count in moons. The world counts in Tuesdays.
Plan in 13 × 28. Your year already runs in 13 months of 28 days, each made of four 7-day weeks.
Stop converting. Every day shows its Gregorian date beside its Moon Krono date, for work and family.
Keep one source. One calendar engine with fixed rules, on the web, in place of a PDF, a printable and an app.
Read a month the way it is kept
The Moon Krono date, the Gregorian date and the moon sit side by side. Pick a view.
Sample- Moon Krono
- Month 01 · Day 01
- Gregorian
- Fri 20 Mar 2026
- Moon
- Waxing crescent
- Moon change
- None today
- Year start
- March equinox
How the year is built
The year starts at the March equinox
The Moon Krono year begins on the day of the March (spring) equinox. That day is day 1 of month 1.
13 months of 28 days
That makes 364 days. Every month is four 7-day weeks, so every month has the same shape.
Every day shows two dates and the moon
Each day displays its Gregorian date and the true moon phase and moon transitions for that date, across 500 years.
The year, on your wall.
Moon Krono turns each month into art you can hang and wear. The yearly printed wall calendar is the one on your wall.
Generated illustration, not a photo