| Answer | Crossword Clue |
|---|---|
| GMT | Clock standard (Abbr.) |
| GMT | Clock standard: Abbr. |
| GMT | Clock-setting standard: Abbr. |
| GMT | Clock-setting standard (Abbr.) |
| GMT | Clock setting standard (Abbr.) |
| GMT | Clock standard letters |
| GMT | Intl. clock standard |
| GMT | Clock standard, briefly |
