Time — Formula Sheet
ICSE · Class 3 · Mathematics
7 formulas from Time (ICSE Class 3 Mathematics) on one page, grouped by topic. Covers Reading Time on a Clock, a.m. and p.m. and 24-Hour Clock.
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Formulas and Key Relations
24-Hour Clock
24-hour time = 12-hour time + 12
12-hour time = 24-hour time - 12
Units of Time
1 day = 24 hours
1 hour = 60 minutes
1 week = 7 days
1 year = 12 months
12 midnight = 12 a.m., 12 noon = 12 p.m.
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