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411 समाचार
Public archive edition · Attributed source reporting with original dates · AI drafts are excluded

411 REFERENCE · Wikibooks

English-Hanzi/Leap year

Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.

Leap year is a year in every 4 years when February has 29 days instead of 28. 闰年 是 每 4年 有 1年 的 二月 有 29日 而不是 28日。