To correct the mismatch of the Julian calendar, the Gregorian calendar introduced a new rule: a year is considered a leap year only if it is divisible by 4, except if it ends in “00″, in which ...

February 29 only comes around once every four years, but does anyone really know why? This year we have the privilege of 366 days, but what's the story behind Leap Day? Leap Day is the extra day ...

The Julian calendar was 0.0078 days (11 minutes and ... isn’t perfect or there would be no need for leap year. But it was a big improvement, reducing drift to mere seconds.

Despite previous reforms, which included instituting a complex system of periodic adjustments (analogous to leap ... of the new year long before Caesar rose to power, his Julian calendar, as ...

In 1752, from Sept. 3rd to 13th, people witnessed a unique historical event. Eleven days were cut from the calendar and deleted forever.

Teymour Taj celebrates the beginning of 2025 by exploring the weird and wonderful history of calendars As 2025 rolled in, ...

even adding "leap seconds" to keep things really synced up, earlier calendars were not so efficient. Before the Julian calendar was introduced by Julius Caesar, the Roman year looked a lot ...

By the mid-15th century, the Julian calendar had diverged from the solar cycle by 10 days. To correct this, Pope Gregory XIII introduced the Gregorian calendar in the 1570s, refining leap year ...