- GMT
- Zero degrees longitude
- World clock std.
- Clock standard, briefly
- Chronometric inits.
- Clock setting at 0 degrees: Abbr.
- U.K. hours
- Time std.
- London clock setting (abbr.)
- Royal Navy setting, for short
- 47-Across + 7 hrs.
- London's clock setting (abbr.)
- U.K. clock setting
- Clock-setting std.
- Hr. at the prime meridian
- Setting on some fancy chronographs, briefly
- Clock setting at zero long.
- 0° longitude std.
- Clock std.
- Intl. clock standard
- It's eight hrs. later than PST
- Prime meridian hrs.
- It's five hours later than EST
- It's eight hours later than PST
- London hrs.
- Old Eng. standard
- Chronometric initials
- Setting in Eng.
- BBC clock setting
- Clock setting in Eng.
- Global clock std.
- Prime meridian (abbr.)
- Zero degrees long.
- UK setting
- Setting at St. Andrews
- BBC setting
- Setting at the BBC
- Setting for Shakespeare's Globe theatre
- BBC World Service standard
- Standard time: Abbr.
- London's time.
- Time abbreviation.
- Basic time standard: Abbr.
- Basic time initials
- Time based on a Lon. borough
- Basis of std. time
- U.K. time
- Prime meridian std.
- All clocks are set by it: Abbr.
- Hrs. at the prime meridian
- Clock standard: Abbr.
- Zulu, in the military: Abbr.
- You can set your watch by it: Abbr.
- Frequent abbr. in BBC announcements
- Intl. standard
- Chronometric std.
- Clock setting at 0 degrees longitude: Abbr.
- See 63-Across
- Std. in chronometry
- Certain world std.
- Setting for BBC reports, in brief
- Zero-deg. setting
- BBC World Service std.
- BBC std.
- Clock-setting standard: Abbr.
- Setting at the prime meridian, for short
- Intl. standard used by many astrologers
- Time zone for Portugal and Senegal
- Greenwich time zone
- Greenwich time zone, briefly
- Prime meridian letters
- Time zone through England
- English time letters
- Clock standard
- It's later than EST
- London's hrs.
- Std. time setting
- Zero longitude hr.
- Cambridge clock setting: Abbr.
- English time: abbr.
- Standard used to set zones, briefly
- Times of London
- Clock standard letters
- Letters that clocks are set by
- Prime meridian zone, briefly
- UTC equivalent
- London time zone, for short
- It's often referenced in BBC news reports: Abbr.
- U.K. hrs.
- Hrs. at London's Royal Observatory
- World clock standard: Abbr.
- Zero longitude standard: Abbr.
- Setting for Big Ben: Abbr.
- Chronometry standard: Abbr.
- Royal Observatory hrs.
