Time offset
A time offset is defined by international convention as a number of hours and minutes from Coordinated Universal Time in Greenwich, England. Many time zones employ two time offsets, one for standard time and one for daylight saving time.
Clock · Horology · History of timekeeping devices · Astrarium · Marine chronometer · Sundial · Water clock
Calendar · Day · Week · Month · Year · Tropical year · Julian · Gregorian · Islamic
Arrow of time · Chronon · Fourth dimension · Planck epoch · Planck time · Time domain
Terrestrial Time · Geocentric Coordinate Time · Barycentric Coordinate Time
Civil time · Minute · Hour · 12-hour clock · 24-hour clock · ISO 8601
Theory of relativity · Time dilation · Gravitational time dilation · Coordinate time · Proper time
Astronomical · Julian · Gregorian · Islamic · Lunisolar · Solar · Lunar · Epact · Intercalation · Leap year