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Nr oH ke 2 So) a, , mm, , SUBJECT — MATH, CLASS — 3, , CH — 7 Time Goes on (C.W), Notes:, , « A week has 7 days., ¢ A year has 12 months., A month has 30 or 31 days. Only in February has 28 or 29 days., Normal year has 365 days and leap year has 366 days., Leap year means a year that contains 366 days, with February 29 as an, additional day., 24 hours in a day., 1 hour = 60 minutes., 1 minute = 60 seconds., Full form:, 1) a.m. — ante meridian, 2) p.m. — post meridian., 12 midnight to 12 noon — a.m., 12 noon to 12 midnight — p.m., , Exercise -1. Fill in the blanks using ‘a.m.’ or ‘p.m.’, , a) 8 o’clock at night —_p.m., , b) 5 o’clock in the morning — _a.m., , c) 3 hours before 12 midnight — _p.m., d) The time of the sun set — _p.m., , e) 2 o’clock in the morning. — a.m., , f) 5 hours after 12 noon —_p.m., , g) 7 o’clock in the morning. —_a.m., , h) The time of the sun rise - _a.m., , , , , , , , , , BD O C 2, , Tools Mobile View Share PDF toDOC Edit onPC