Or, in a more reusable/flexible way: newTime = currentMillis + 6 * HOUR_IN_MILLIS But an even cleaner solution would be to just use the date/time library fo

Or, in a more reusable/flexible way: newTime = currentMillis + 6 * HOUR_IN_MILLIS But an even cleaner solution would be to just use the date/time library for this (depending on the language, of course): newTime = currentMillis + TimeSpan.FromHours(6).Milliseconds;