| Clue | Source | Date |
|---|---|---|
| Very short time | Thomas Joseph | 03 Nov 2026 |
| 31 comes off in a short time | ||
| Cosmic order, endlessly renewed, framing new moment of time | The Telegraph Toughie | 29 Jun 2017 |
| Time it takes for light to travel 300 meters | Wall Street Journal | 09 Feb 2015 |