Question
Find the following values without a calculator.

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

  1. 12 min before 21 33 h = ________ h
  2. 6 h before 09 57 h = ________ h
  3. 4 h 10 min before 19 00 h = ________ h
  4. 2 h 19 min before 19 46 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. 12 min before 21 33 h = ________ h
  2. 6 h before 09 57 h = ________ h
  3. 4 h 10 min before 19 00 h = ________ h
  4. 2 h 19 min before 19 46 h = ________ h