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| 1 | +# Version 2020.2 |
| 2 | +Upstream version 2020b release 2020-10-07T01:35:04+00:00 |
| 3 | + |
| 4 | +## Briefly: |
| 5 | + |
| 6 | +Revised predictions for Morocco's changes starting in 2023. Canada's Yukon |
| 7 | +changes to -07 on 2020-11-01, not 2020-03-08. Macquarie Island has stayed in |
| 8 | +sync with Tasmania since 2011. Casey, Antarctica is at +08 in winter and +11 in |
| 9 | +summer. zic no longer supports -y, nor the TYPE field of Rules. |
| 10 | + |
| 11 | +## Changes to future timestamps |
| 12 | + |
| 13 | +Morocco's spring-forward after Ramadan is now predicted to occur no sooner than |
| 14 | +two days after Ramadan, instead of one day. (Thanks to Milamber.) The first |
| 15 | +altered prediction is for 2023, now predicted to spring-forward on April 30 |
| 16 | +instead of April 23. |
| 17 | + |
| 18 | +## Changes to past and future timestamps |
| 19 | + |
| 20 | +Casey Station, Antarctica has been using +08 in winter and +11 in summer since |
| 21 | +2018. The most recent transition from +08 to +11 was 2020-10-04 00:01. Also, |
| 22 | +Macquarie Island has been staying in sync with Tasmania since 2011. (Thanks to |
| 23 | +Steffen Thorsen.) |
| 24 | + |
| 25 | +## Changes to past and future time zone abbreviations and DST flags |
| 26 | + |
| 27 | +Canada's Yukon, represented by America/Whitehorse and America/Dawson, changes |
| 28 | +its time zone rules from -08/-07 to permanent -07 on 2020-11-01, not on |
| 29 | +2020-03-08 as 2020a had it. This change affects only the time zone abbreviation |
| 30 | +(MST vs PDT) and daylight saving flag for the period between the two dates. |
| 31 | +(Thanks to Andrew G. Smith.) |
| 32 | + |
| 33 | +## Changes to past timestamps |
| 34 | + |
| 35 | +Correct several transitions for Hungary for 1918/1983. For example, the |
| 36 | +1983-09-25 fall-back was at 01:00, not 03:00. (Thanks to Géza Nyáry.) Also, the |
| 37 | +1890 transition to standard time was on 11-01, not 10-01 (thanks to Michael |
| 38 | +Deckers). |
| 39 | + |
| 40 | +The 1891 French transition was on March 16, not March 15. The 1911-03-11 French |
| 41 | +transition was at midnight, not a minute later. Monaco's transitions were on |
| 42 | +1892-06-01 and 1911-03-29, not 1891-03-15 and 1911-03-11. (Thanks to Michael |
| 43 | +Deckers.) |
| 44 | + |
| 45 | +## Changes to documentation and commentary |
| 46 | + |
| 47 | +The long-obsolete files pacificnew, systemv, and yearistype.sh have been removed |
| 48 | +from the distribution. (Thanks to Tim Parenti.) |
| 49 | + |
| 50 | +--- |
| 51 | + |
1 | 52 | # Version 2020.1 |
2 | 53 | Upstream version 2020a release 2020-04-23T23:03:47+00:00 |
3 | 54 |
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