Whenever she called her parents or other relatives, she always had to think about the time difference so that she wouldn't wake someone up or call when she knew they were in church.
每当她给父母或其他亲戚打电话时,她总是要考虑时差,以便不会在他们睡觉或是做礼拜时打扰他们。
Compute the time difference.
计算时间差。
What's the time difference between Taipei and San Francisco?
台北和旧金山的时差是多少?