Year 0 Revealed
Why Is There No Year 0 in the Gregorian Calendar?

Discover why the Gregorian calendar skips Year 0, transitioning directly from 1 BC to 1 AD, based on Dionysius Exiguus' design.

Year 0 Revealed
Why Is There No Year 0 in the Gregorian Calendar?

Explore why the Gregorian calendar skips year 0, moving from 1 BCE directly to 1 CE, established by Dionysius Exiguus.

AD Time: Origin
Who Invented AD Time? The Story Behind Anno Domini

Discover who invented AD time and learn about the origins of the Anno Domini calendar system.