Circle notation system
| Hex | Degree | English | English acronym | Time |
|---|---|---|---|---|
| .0 | 0 | North | N | 00:00:00 |
| .1 | 22.5 | North-northeast | NNE | 01:30:00 |
| .2 | 45 | Northeast | NE | 03:00:00 |
| .3 | 67.5 | East-northeast | ENE | 04:30:00 |
| .4 | 90 | East | E | 06:00:00 |
| .5 | 112.5 | East-southeast | ESE | 07:30:00 |
| .6 | 135 | Southeast | SE | 09:00:00 |
| .7 | 157.5 | South-southeast | SSE | 10:30:00 |
| .8 | 180 | South | S | 12:00:00 |
| .9 | 202.5 | South-southwest | SSW | 13:30:00 |
| .A | 225 | Southwest | SW | 15:00:00 |
| .B | 247.5 | West-southwest | WSW | 16:30:00 |
| .C | 270 | West | W | 18:00:00 |
| .D | 292.5 | West-northwest | WNW | 19:30:00 |
| .E | 315 | Northwest | NW | 21:00:00 |
| .F | 337.5 | North-northwest | NNW | 22:30:00 |