Aptus

The hidden cost
of calendar chaos.

Twelve unequal months. A year that starts on an arbitrary date. No weekly rhythm tied to anything natural. The cost is invisible — until you notice you're always slightly out of sync.

Gregorian
vs
Aptus
12 months, 28–31 days each
13 months × 28 days exactly
Year begins January 1
Year begins at spring equinox
No weekly phase structure
Orient · Engage · Amplify · Integrate
Designed for Northern Hemisphere
Southern Hemisphere default
2026 CE
12026 NE — Natural Era

Find your Aptus birthday