Time database: Difference between revisions
Created page with "Desired features: {| !Time keeping database (tkdb) !IANA time zone database (tzdb) |- | Exactly one term for one kind of object | IANA uses zone and region interchangeably, a..." |
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Desired features: | Desired features: | ||
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!Time keeping database (tkdb) | !Time keeping database (tkdb) | ||
!IANA time zone database (tzdb) | !IANA time zone database (tzdb) | ||
Revision as of 2013-09-20T19:48:40
Desired features:
| Time keeping database (tkdb) | IANA time zone database (tzdb) |
|---|---|
| Exactly one term for one kind of object | IANA uses zone and region interchangeably, and zone has two meanings |
| Provisional name for smallest geographic unit: "sector" | |
| Stable boundaries of sectors, new sectors are created by splitting and deprecating old sectors, so users can know if they need to check their IDs for correctness. | IANA: /1/ user can link his computer to a tzid, but get's no notification if later his real location is in another zone, /2/ different locations are linked, e.g. Vaduz points to Zurich, Tel Aviv to Jerusalem |
| Record all legal time | IANA: /1/ no time for Bouvet Island, while Norwegian government has defined it, /2/ limited support for pre-1970 data |
| Provide time zone acronyms that are unique within each country and at any given point in time refer to only one offset from a base time | IANA: uses EST and CST for time stamps that can during DST usage in Australia to different offsets |