4 # This file is by no means authoritative; if you think you know better, |
4 # This file is by no means authoritative; if you think you know better, |
5 # go ahead and edit the file (and please send any changes to |
5 # go ahead and edit the file (and please send any changes to |
6 # [email protected] for general use in the future). For more, please see |
6 # [email protected] for general use in the future). For more, please see |
7 # the file CONTRIBUTING in the tz distribution. |
7 # the file CONTRIBUTING in the tz distribution. |
8 |
8 |
9 # From Paul Eggert (2014-05-31): |
9 # From Paul Eggert (2014-10-31): |
10 # A good source for time zone historical data outside the U.S. is |
10 # |
|
11 # Unless otherwise specified, the source for data through 1990 is: |
11 # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition), |
12 # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition), |
12 # San Diego: ACS Publications, Inc. (2003). |
13 # San Diego: ACS Publications, Inc. (2003). |
|
14 # Unfortunately this book contains many errors and cites no sources. |
13 # |
15 # |
14 # Gwillim Law writes that a good source |
16 # Gwillim Law writes that a good source |
15 # for recent time zone data is the International Air Transport |
17 # for recent time zone data is the International Air Transport |
16 # Association's Standard Schedules Information Manual (IATA SSIM), |
18 # Association's Standard Schedules Information Manual (IATA SSIM), |
17 # published semiannually. Law sent in several helpful summaries |
19 # published semiannually. Law sent in several helpful summaries |
18 # of the IATA's data after 1990. |
20 # of the IATA's data after 1990. Except where otherwise noted, |
|
21 # IATA SSIM is the source for entries after 1990. |
19 # |
22 # |
20 # A reliable and entertaining source about time zones is |
23 # A reliable and entertaining source about time zones is |
21 # Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997). |
24 # Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997). |
22 # |
25 # |
23 # Except where otherwise noted, Shanks & Pottenger is the source for |
26 # Except where otherwise noted, Shanks & Pottenger is the source for |
284 # (8 km NW of Dublin's center) seemingly was to Dublin as Greenwich was |
287 # (8 km NW of Dublin's center) seemingly was to Dublin as Greenwich was |
285 # to London. For example: |
288 # to London. For example: |
286 # |
289 # |
287 # "Timeball on the ballast office is down. Dunsink time." |
290 # "Timeball on the ballast office is down. Dunsink time." |
288 # -- James Joyce, Ulysses |
291 # -- James Joyce, Ulysses |
|
292 |
|
293 # "Countess Markievicz ... claimed that the [1916] abolition of Dublin Mean Time |
|
294 # was among various actions undertaken by the 'English' government that |
|
295 # would 'put the whole country into the SF (Sinn Féin) camp'. She claimed |
|
296 # Irish 'public feeling (was) outraged by forcing of English time on us'." |
|
297 # -- Parsons M. Dublin lost its time zone - and 25 minutes - after 1916 Rising. |
|
298 # Irish Times 2014-10-27. |
|
299 # http://www.irishtimes.com/news/politics/dublin-lost-its-time-zone-and-25-minutes-after-1916-rising-1.1977411 |
289 |
300 |
290 # From Joseph S. Myers (2005-01-26): |
301 # From Joseph S. Myers (2005-01-26): |
291 # Irish laws are available online at <http://www.irishstatutebook.ie>. |
302 # Irish laws are available online at <http://www.irishstatutebook.ie>. |
292 # These include various relating to legal time, for example: |
303 # These include various relating to legal time, for example: |
293 # |
304 # |
592 Rule Russia 1992 only - Mar lastSat 23:00 1:00 S |
603 Rule Russia 1992 only - Mar lastSat 23:00 1:00 S |
593 Rule Russia 1992 only - Sep lastSat 23:00 0 - |
604 Rule Russia 1992 only - Sep lastSat 23:00 0 - |
594 Rule Russia 1993 2010 - Mar lastSun 2:00s 1:00 S |
605 Rule Russia 1993 2010 - Mar lastSun 2:00s 1:00 S |
595 Rule Russia 1993 1995 - Sep lastSun 2:00s 0 - |
606 Rule Russia 1993 1995 - Sep lastSun 2:00s 0 - |
596 Rule Russia 1996 2010 - Oct lastSun 2:00s 0 - |
607 Rule Russia 1996 2010 - Oct lastSun 2:00s 0 - |
|
608 # As described below, Russia's 2014 change affects Zone data, not Rule data. |
597 |
609 |
598 # From Alexander Krivenyshev (2011-06-14): |
610 # From Alexander Krivenyshev (2011-06-14): |
599 # According to Kremlin press service, Russian President Dmitry Medvedev |
611 # According to Kremlin press service, Russian President Dmitry Medvedev |
600 # signed a federal law "On calculation of time" on June 9, 2011. |
612 # signed a federal law "On calculation of time" on June 9, 2011. |
601 # According to the law Russia is abolishing daylight saving time. |
613 # According to the law Russia is abolishing daylight saving time. |
1393 # (old style), or on St. Luke's day, if a Saturday. |
1405 # (old style), or on St. Luke's day, if a Saturday. |
1394 # St. Luke's day ought to be traceable from ecclesiastical sources. "old style" |
1406 # St. Luke's day ought to be traceable from ecclesiastical sources. "old style" |
1395 # might be a reference to the Julian calendar as opposed to Gregorian, or it |
1407 # might be a reference to the Julian calendar as opposed to Gregorian, or it |
1396 # might mean something else (???). |
1408 # might mean something else (???). |
1397 # |
1409 # |
1398 # From Paul Eggert (2006-03-22): |
1410 # From Paul Eggert (2014-11-22): |
1399 # The Iceland Almanak, Shanks & Pottenger, and Whitman disagree on many points. |
1411 # The information below is taken from the 1988 Almanak; see |
1400 # We go with the Almanak, except for one claim from Shanks & Pottenger, namely |
1412 # http://www.almanak.hi.is/klukkan.html |
1401 # that Reykavik was 21W57 from 1837 to 1908, local mean time before that. |
|
1402 # |
1413 # |
1403 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S |
1414 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S |
1404 Rule Iceland 1917 1918 - Feb 19 23:00 1:00 S |
1415 Rule Iceland 1917 1919 - Feb 19 23:00 1:00 S |
1405 Rule Iceland 1917 only - Oct 21 1:00 0 - |
1416 Rule Iceland 1917 only - Oct 21 1:00 0 - |
1406 Rule Iceland 1918 only - Nov 16 1:00 0 - |
1417 Rule Iceland 1918 1919 - Nov 16 1:00 0 - |
|
1418 Rule Iceland 1921 only - Mar 19 23:00 1:00 S |
|
1419 Rule Iceland 1921 only - Jun 23 1:00 0 - |
1407 Rule Iceland 1939 only - Apr 29 23:00 1:00 S |
1420 Rule Iceland 1939 only - Apr 29 23:00 1:00 S |
1408 Rule Iceland 1939 only - Nov 29 2:00 0 - |
1421 Rule Iceland 1939 only - Oct 29 2:00 0 - |
1409 Rule Iceland 1940 only - Feb 25 2:00 1:00 S |
1422 Rule Iceland 1940 only - Feb 25 2:00 1:00 S |
1410 Rule Iceland 1940 only - Nov 3 2:00 0 - |
1423 Rule Iceland 1940 1941 - Nov Sun>=2 1:00s 0 - |
1411 Rule Iceland 1941 only - Mar 2 1:00s 1:00 S |
1424 Rule Iceland 1941 1942 - Mar Sun>=2 1:00s 1:00 S |
1412 Rule Iceland 1941 only - Nov 2 1:00s 0 - |
|
1413 Rule Iceland 1942 only - Mar 8 1:00s 1:00 S |
|
1414 Rule Iceland 1942 only - Oct 25 1:00s 0 - |
|
1415 # 1943-1946 - first Sunday in March until first Sunday in winter |
1425 # 1943-1946 - first Sunday in March until first Sunday in winter |
1416 Rule Iceland 1943 1946 - Mar Sun>=1 1:00s 1:00 S |
1426 Rule Iceland 1943 1946 - Mar Sun>=1 1:00s 1:00 S |
1417 Rule Iceland 1943 1948 - Oct Sun>=22 1:00s 0 - |
1427 Rule Iceland 1942 1948 - Oct Sun>=22 1:00s 0 - |
1418 # 1947-1967 - first Sunday in April until first Sunday in winter |
1428 # 1947-1967 - first Sunday in April until first Sunday in winter |
1419 Rule Iceland 1947 1967 - Apr Sun>=1 1:00s 1:00 S |
1429 Rule Iceland 1947 1967 - Apr Sun>=1 1:00s 1:00 S |
1420 # 1949 Oct transition delayed by 1 week |
1430 # 1949 and 1967 Oct transitions delayed by 1 week |
1421 Rule Iceland 1949 only - Oct 30 1:00s 0 - |
1431 Rule Iceland 1949 only - Oct 30 1:00s 0 - |
1422 Rule Iceland 1950 1966 - Oct Sun>=22 1:00s 0 - |
1432 Rule Iceland 1950 1966 - Oct Sun>=22 1:00s 0 - |
1423 Rule Iceland 1967 only - Oct 29 1:00s 0 - |
1433 Rule Iceland 1967 only - Oct 29 1:00s 0 - |
1424 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1434 # Zone NAME GMTOFF RULES FORMAT [UNTIL] |
1425 Zone Atlantic/Reykjavik -1:27:24 - LMT 1837 |
1435 Zone Atlantic/Reykjavik -1:28 - LMT 1908 |
1426 -1:27:48 - RMT 1908 # Reykjavik Mean Time? |
|
1427 -1:00 Iceland IS%sT 1968 Apr 7 1:00s |
1436 -1:00 Iceland IS%sT 1968 Apr 7 1:00s |
1428 0:00 - GMT |
1437 0:00 - GMT |
1429 |
1438 |
1430 # Italy |
1439 # Italy |
1431 # |
1440 # |