Circle notation system
See also: Ma notation
| Hex | Time ISO 8601 |
Longitude ISO 6709 |
Degree | English | English acronym | HSV color, S=V=100 | CIELAB /RGB |
|---|---|---|---|---|---|---|---|
| .0 | 00:00:00 | -180 | 0 | North | N | ff0000 | bc0060 |
| 00:40:00 | -170 | 10 | bc004e | ||||
| 01:20:00 | -160 | 20 | bb003d | ||||
| .1 | 01:30:00 | -157.5 | 22.5 | North-northeast | NNE | ff6000 | |
| 02:00:00 | -150 | 30 | c82735 | ||||
| 02:40:00 | -140 | 40 | c82735 | ||||
| .2 | 03:00:00 | -45 | 45 | Northeast | NE | ffbf00 | |
| 03:20:00 | -130 | 50 | f65a14 | ||||
| 04:00:00 | -120 | 60 | ff8000 | ||||
| .3 | 04:30:00 | 67.5 | East-northeast | ENE | dfff00 | ||
| .4 | 06:00:00 | -90 | 90 | East | E | 80ff00 | ffdf00 |
| .5 | 07:30:00 | 112.5 | East-southeast | ESE | 22ff00 | ||
| .6 | 09:00:00 | -135 | 135 | Southeast | SE | 00ff40 | |
| .7 | 10:30:00 | 157.5 | South-southeast | SSE | 00ff9d | ||
| .8 | 12:00:00 | 0 | 180 | South | S | 00ffff | 009175 |
| .9 | 13:30:00 | 202.5 | South-southwest | SSW | 00a2ff | ||
| .A | 15:00:00 | 45 | 225 | Southwest | SW | 0040ff | |
| .B | 16:30:00 | 247.5 | West-southwest | WSW | 1e00ff | ||
| .C | 18:00:00 | 90 | 270 | West | W | 8000ff | 0057b3 |
| .D | 19:30:00 | 292.5 | West-northwest | WNW | dd00ff | ||
| .E | 21:00:00 | 135 | 315 | Northwest | NW | ff00bf | |
| .F | 22:30:00 | 337.5 | North-northwest | NNW | ff0062 | ||
| 1 | 24:00:00 | 180 | 360 |