Question
Find the following values without a calculator.

Give your answers in this manner. (Eg 00 10, 15 00, 16 00, 21 00)

  1. 13 min before 21 36 h = ________ h
  2. 4 h before 09 47 h = ________ h
  3. 1 h 41 min before 12 00 h = ________ h
  4. 5 h 4 min before 20 58 h = ________ h
2 m

Click button first when a symbol is required. X

Find the following values without a calculator.

Give your answers in this manner. (Eg 00 10, 15 00, 16 00, 21 00)

  1. 13 min before 21 36 h = ________ h
  2. 4 h before 09 47 h = ________ h
  3. 1 h 41 min before 12 00 h = ________ h
  4. 5 h 4 min before 20 58 h = ________ h