AUSTRALIAN RATEL | Date Formats
- D. M. Wright
- May 14
- 2 min read
Updated: 3 days ago
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DATE-TIME GROUPS
There is a proper format when using radios (either speaking over radios or logging radio transmissions).
The RATEL format is officially called a 'Date-Time Group' or 'DTG'.
The short template:
DDTTTTK
2x numbers of the date
4x numbers for the time
1x letter for the time zone
E.g.
071100Z
'07' is the 7th of the month
'1100' is at 1100h
'Z' is in Zulu time zone (Greenwich Mean Time / UTC)
This would be used regularly when the month is known to all.
The extended template:
DDTTTTKMMMYY
2x numbers of the date
4x numbers for the time
1x letter for the time zone
3x letters for the month
2x letters for the year
E.g.
071100ZJUL30
'07' is the 7th of the month
'1100' is at 1100h
'Z' is in Zulu time zone (Greenwich Mean Time / UTC)
in 'JUL' of '2030'.
GLOBAL MILITARY TIME ZONES
The time zone number indicates the number of hours by which Zone Time ahead of or behind Greenwich Mean Time(GMT) / Coordinated Universal Time (UTC).
Z 00h:00m | E +05h:00m | I +09h:00m | M +12h:00m | P -03h:00m | T -07h:00m |
A +01h:00m | E' +05h:30m | I' +09h:30m | M' +13h:00m | P' -03h:30m | U -08h:00m |
B +02h:00m | E^ +05h:45m | K +10h:00m | M'' +14h:00m | Q -04h:00m | V -09h:00m |
C +03h:00m | F +06h:00m | K' +10h:30m | M^ +12h:45m | Q' -04h:30m | V' -09h:30m |
C' +03h:30m | F' +06h:30m | L +11h:00m | N -01h:00m | R -05h:00m | W -10h:00m |
D +04h:00m | G +07h:00m | L' +11h:30m | O -02h:00m | S -06h:00m | X -11h:00m |
D' +04h:30m | H +08h:00m | H^ +08h:45m | Y -12h:00m | ||
| H' +08h:30m |
AUSTRALIAN MILITARY TIME ZONES
States/Territories in eastern standard time zones (i.e. QLD, NSW, ACT, VIC and TAS) are located in Time Zone 'Kilo' / 'K'.
During daylight saving, NSW, ACT, VIC and TAS are located in Time Zone 'Lima' / 'L'.
Western Australia is located in Time Zone 'Hotel' / 'H'.
States/Territories in central standard time zones (i.e. SA and NT) or not within a proper military time zone. Military time zones are set on the hour only, while SA and NT are offset by half an hour. They will usually be listed as being in Time Zone India' / I' for central standard time, and in Time Zone Kilo' / K' for daylight savings time. The asterisk is used to denote the half-hour offset.
In order to be specific when using the extended date-time group format, the letter (e.g. 'K') can be exchanged for the regular global time zone.
Central standard time (SA and NT) could be displayed as:
071100I'JUL30
or
071100+0930JUL30
Central daylight savings time (SA) could be displayed as:
071100K'JUL30
or
071100+1030JUL30
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