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Folders come from all over the world, and therefore live in every conceivable [http://en.wikipedia.org/wiki/Time_zone time zone]. On this page you will find a number of coder / decoder charts that should help you to translate from your local time into [http://en.wikipedia.org/wiki/Coordinated_Universal_Time Coordinated Universal Time (UTC)]. The [http://fold.it/portal/ foldit site] uses UTC for a variety of purposes, e.g. puzzle expiry times. Folders on a team might also use a UTC time, e.g. in the description of a shared solution to document when it was submitted. |
Folders come from all over the world, and therefore live in every conceivable [http://en.wikipedia.org/wiki/Time_zone time zone]. On this page you will find a number of coder / decoder charts that should help you to translate from your local time into [http://en.wikipedia.org/wiki/Coordinated_Universal_Time Coordinated Universal Time (UTC)]. The [http://fold.it/portal/ foldit site] uses UTC for a variety of purposes, e.g. puzzle expiry times. Folders on a team might also use a UTC time, e.g. in the description of a shared solution to document when it was submitted. |
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Revision as of 23:42, 12 March 2013
Folders come from all over the world, and therefore live in every conceivable time zone. On this page you will find a number of coder / decoder charts that should help you to translate from your local time into Coordinated Universal Time (UTC). The foldit site uses UTC for a variety of purposes, e.g. puzzle expiry times. Folders on a team might also use a UTC time, e.g. in the description of a shared solution to document when it was submitted.
Hour Aliases
The charts are be based on Hour Aliases, a series of aliases (synonyms) for the twenty four hours 12AM, 1AM, ..., 11AM, 12PM, 1PM, ..., 11PM. Besides the twenty-four hour clock hours 00, 01, ..., 22, 23; we will use 24 letters as follows: Z, A, B, C, ..., W (Z for "zero", A for "one", etc.). The letters will sometimes be expanded to their equivalent Nato Phonetic Alphabet telephony codes: Zulu, Alfa, Bravo, Charlie, ... Whiskey.
Zone Zulu chart
The Zone Zulu chart has the 24 single letter hour aliases (Z, A, B, ..., W) placed on an analog clock face with the AM letters in an inner ring, the PM letters in an outer ring. Should you be looking at the hands of an analog clock set to Coordinated Universal Time (UTC), a four character "Zulu" time ammZ can be directly read from the chart. For example, if the hands show midnight, that's Z00Z, which is equivalent to 0000Z, 00:00 UTC, 12AM Z, 12AM Zulu and so on. If it's afternoon and the analog "little hand" is pointing as it would for 4PM and the little hand is pointing as it would for 35 minutes past the hour, the ammZ code would be P35Z, 16:35 UTC and so on.
Conversion charts by time zone
Folders in time zones with exact hour offsets from UTC can find their offset and load their proper conversion chart from the following table:
Time Zone | Conversion Chart | Time Zone | Conversion Chart |
---|---|---|---|
UTC+/-00:00 | Zone Zulu | UTC-01:00 | Zone Alfa |
UTC+01:00 | Zone Whiskey | UTC-02:00 | Zone Bravo |
UTC+02:00 | Zone Victor | UTC-03:00 | Zone Charlie |
UTC+03:00 | Zone Uniform | UTC-04:00 | Zone Delta |
UTC+04:00 | Zone Tango | UTC-05:00 | Zone Echo |
UTC+05:00 | Zone Sierra | UTC-06:00 | Zone Foxtrot |
UTC+06:00 | Zone Romeo | UTC-07:00 | Zone Golf |
UTC+07:00 | Zone Quebec | UTC-08:00 | Zone Hotel |
UTC+08:00 | Zone Papa | UTC-09:00 | Zone India |
UTC+09:00 | Zone Oscar | UTC-10:00 | Zone Juliett |
UTC+10:00 | Zone November | UTC-11:00 | Zone Kilo |
UTC+11:00 | Zone Mike | UTC+/-12:00 | Zone Lima |
Note that for the purposes of table lookup UTC+13:00 is the same as UTC-11:00, UTC-14:00 is the same as UTC+10:00, and so on.
Suppose Alice is at the University of Washington at Seattle, WA, (where foldit is based) and it's December 13th. Alice sees that she's under US Pacific Standard Time, which is UTC-08:00, so she brings up the conversion chart for Zone Hotel. It's 8:10PM, so she examines the chart, finding that the 8 O'Clock spot on the PM (outer) ring reads "D", so her ammZ code for the present time is D10Z, or 04:10 UTC. Since on the chart she is after time "Z" and before her local midnight, she adds one day, making it December 14th. She could then use a short time stamp like 12/14 D10Z or 12/14 0410Z to report the "Zulu" time.
Note on time zones with part hour offsets
text coming soon
Discussion
text coming soon
Chart Photos
Zones Alfa through Zulu photos