time difference

/T AY1 M D IH0 F ER0 AH0 N S/
noun
  1. 1

    The difference between one measurement of time and another; the length of a time interval.

  2. 2

    The difference in clock time between two or more different time zones.

    โ€œI want to call Nick โ€“ what's the time difference between here and Hong Kong?โ€

Source: https://en.wiktionary.org/wiki/time%20difference