TEC Tools
Each tool explores a different dimension of the H-CLET calendar and the broader Terran Epochal Compendium.
Date Explorer
Convert any Gregorian date into H-CLET terms — Holocenic year, lunar month, moon phase, sidereal zodiac, and precessional age. Shareable via URL.
Open ExplorerFull Year Calendar
View the entire H-CLET lunisolar year — all 12 or 13 lunar months, seasonal markers, equinox/solstice positions, and a day-by-day breakdown.
Open Year ViewOrbital View
A radial/orbital visualization of the H-CLET calendar year, celestial positions, and lunar cycle — with hemisphere switching and deep-link support.
Open Orbital ViewTimeline Explorer
Scrub through thousands of years of history and future time — seeing how the precessional age, sidereal zodiac, and Holocenic year all shift.
Open via HomeBirthday Tracker
Find the H-CLET lunisolar equivalent of any birthday — track annual recurrences and see how your birth date maps through history.
Open via HomeWant to understand the system behind the tools?