Glossary · Dating
BCE / CE and BP
Stratum records years astronomically: negative for BCE, positive for CE, no year zero, and prints “8000–6000 BCE” or “100 BCE–50 CE”.
Stratum records years astronomically: negative for BCE, positive for CE, no year zero, and prints “8000–6000 BCE” or “100 BCE–50 CE”. BP (before present) counts back from 1950 and belongs to radiocarbon reports; convert before entering it.
Sources
Cite this article
Stratum Study. "BCE / CE and BP" (Glossary). Stratum Study pack 2026.09, as of 2026-09-16. https://stratum.black/study/glossary/bce-ce. Accessed 2026-09-21.
@misc{stratum-bce-ce,
title = {BCE / CE and BP},
author = {{Stratum Study}},
howpublished = {\url{https://stratum.black/study/glossary/bce-ce}},
year = {2026},
note = {Glossary article, Stratum Study pack 2026.09, as of 2026-09-16; sources: stratum. Accessed 2026-09-21.}
} Citations carry the pack version and the article's as-of date so they resolve to the same text later. The facts themselves belong to the sources listed below; cite those for the science.