https://www.khanacademy.org/math/mh-math-class-3-new/xa7b65308c92e651a:untitled-185/xa7b65308c92e651a:calendar/v/the-leap-year 2026-06-29T05:40:33.155211354Z The Leap Year Why does February sometimes have 29 days? Discover the science behind leap years and learn an easy rule to identify them. Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw The Leap Year Why does February sometimes have 29 days? Discover the science behind leap years and learn an easy rule to identify them. https://cdn.kastatic.org/ka-youtube-converted/Zy7pjHyA_GM.mp4/Zy7pjHyA_GM.mp4 234 Calendar https://www.khanacademy.org/math/class-5-bridge-course-mh/x26cad44ab76123a9:time-measurement/x26cad44ab76123a9:marathi-calanders/e/reading-calendars 2026-04-08T00:16:02.937952483Z Reading Calendars This exercise aims to test the skill of reading calendars specially according to Maharashtra state 5th Syllabus Devashish Phadnis exercise