1
Time units
60 sec = 1 min. 60 min = 1 hour. 24 hours = 1 day. 7 days = 1 week.
60s · 60m · 24h · 7d
Time
📖 Study · Time (Grade 5)
Time (Grade 5)
Convert time units, calculate journeys, use 24-hour time.
🎯 What you'll learn
- ✓Convert seconds, minutes, hours
- ✓Use 24-hour clock
- ✓Calculate elapsed time
2
24-hour clock
After 12 noon: 1 PM = 13:00, 5:30 PM = 17:30, midnight = 00:00.
5:30 PM = 17:30
3
Elapsed time
From 14:25 to 16:55: 14:25 → 14:55 (30 min) → 16:55 (2 h). Total 2 h 30 min.
14:25 → 16:55 = 2 h 30 min
4
Leap year
A leap year has 366 days. Comes every 4 years (Feb has 29 days).
366 days · Feb 29