Timestamp Format
| Bits | Size | Description | Comments |
|---|---|---|---|
| 0-4 | 5 | Seconds (as number of 2-second intervals) | 0..29 29 represents 58 seconds |
| 5-10 | 6 | Minutes | 0..59 |
| 11-15 | 5 | Hour | 0..23 |
| 16-20 | 5 | Day | 1..31 |
| 21-24 | 4 | Month | 1..12 |
| 25-31 | 7 | Year (as offset from 1980) | 0 represents 1980 |
Timestamp format records seconds as 2 seconds intervals, so 10ms increments are used to increase precision from 2 seconds to 10 milliseconds.
The valid values are from 0 to 199 in 10ms intervals which are added to correspondent timestamp. Timestamp is recorded in local time. Time zone offset is expressed in 15 minutes increments.
Time Zone Offset Table
| TimezoneOffset field | TZ Offset | Time Zone | Comments |
|---|---|---|---|
| 128 (0x80) | UTC | Greenwich Standard Time | |
| 132 (0x84) | UTC+01:00 | Central Europe Time | |
| 136 (0x88) | UTC+02:00 | Eastern Europe Standard Time | |
| 140 (0x8C) | UTC+03:00 | Moscow Standard Time | |
| 144 (0x90) | UTC+04:00 | Arabian Standard Time | |
| 148 (0x94) | UTC+05:00 | West Asia Standard Time | |
| 152 (0x98) | UTC+06:00 | Central Asia Standard Time | |
| 156 (0x9C) | UTC+07:00 | North Asia Standard Time | |
| 160 (0xA0) | UTC+08:00 | North Asia East Standard Time | |
| 164 (0xA4) | UTC+09:00 | Tokyo Standard Time | |
| 168 (0xA8) | UTC+10:00 | West Pacific Standard Time | |
| 172 (0xAC) | UTC+11:00 | Central Pacific Standard Time | |
| 176 (0xB0) | UTC+12:00 | New Zealand Standard Time | |
| 180 (0xB4) | UTC+13:00 | Tonga Standard Time | |
| 208 (0xD0) | UTC-12:00 | Dateline Standard Time | |
| 212 (0xD4) | UTC-11:00 | Samoa Standard Time | |
| 216 (0xD8) | UTC-10:00 | Hawaii Standard Time | |
| 220 (0xDC) | UTC-09:00 | Alaska Standard Time | |
| 224 (0xE0) | UTC-08:00 | Pacific Standard Time | |
| 228 (0xE4) | UTC-07:00 | Mountain Standard Time | |
| 232 (0xE8) | UTC-06:00 | Central Standard Time | |
| 236 (0xEC) | UTC-05:00 | Eastern Standard Time | |
| 240 (0xF0) | UTC-04:00 | Atlantic Standard time | |
| 242 (0xF2) | UTC-03:30 | Newfoundland Standard Time | |
| 244 (0xF4) | UTC-03:00 | Greenland Standard Time | |
| 248 (0xF8) | UTC-02:00 | Mid-Atlantic Standard Time | |
| 252 (0xFC) | UTC-01:00 | Azores Standard Time |