1. (noun) the local time at the 0 meridian passing through Greenwich, England; it is the same everywhere

• greenwich mean time
• greenwich time
• universal time
• ut
• ut1

1. (noun) the local time at the 0 meridian passing through Greenwich, England; it is the same everywhere

• coordinated universal time
• utc

1. (noun) the local time at the 0 meridian passing through Greenwich, England; it is the same everywhere

• time