Invented Reckonings
Holocene (Human Era)
Gregorian + 10,000 · one count for all of civilization
A proposal to add 10,000 years to the Gregorian count so year one sits near the dawn of civilization and the Holocene epoch — giving all recorded history positive, gap-free dates. Years are written HE, the Holocene Era.
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In UTC at 02:02 on October 27, 2026, this calendar read 27 October 12026 HE. The reading above is live, in your own time zone.
At a glance
- Type
- Solar — the Gregorian year plus 10,000
- Origin
- Cesare Emiliani, 1993
- Year
- 365 days, or 366 in a leap year
- Months
- 12 — the Gregorian months
- Week
- 7 days
- Leap rule
- The Gregorian rule
- Counts from
- 10,000 BCE, near the start of the Holocene (HE)
- Where it’s used
- A proposal, used by some writers and enthusiasts
- How it’s worked out here
- The Gregorian date, with 10,000 added to the year
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