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2017-03-26

2017-03-26 12:44:57 by Henrik Grubbström (Grubba) <grubba@grubba.org>

Updated to 2017b.

420:   # See Africa/Johannesburg.      # Liberia - # From Paul Eggert (2006-03-22): - # In 1972 Liberia was the last country to switch - # from a UTC offset that was not a multiple of 15 or 20 minutes. - # Howse reports that it was in honor of their president's birthday. - # Shank & Pottenger report the date as May 1, whereas Howse reports Jan; - # go with Shanks & Pottenger. - # For Liberia before 1972, Shanks & Pottenger report -0:44, whereas Howse and - # Whitman each report -0:44:30; go with the more precise figure. + # + # From Paul Eggert (2017-03-02): + # + # The Nautical Almanac for the Year 1970, p 264, is the source for -0:44:30. + # + # In 1972 Liberia was the last country to switch from a UTC offset + # that was not a multiple of 15 or 20 minutes. The 1972 change was on + # 1972-01-07, according to an entry dated 1972-01-04 on p 330 of: + # Presidential Papers: First year of the administration of + # President William R. Tolbert, Jr., July 23, 1971-July 31, 1972. + # Monrovia: Executive Mansion. + # + # Use the abbreviation "MMT" before 1972, as the more-accurate numeric + # abbreviation "-004430" would be one byte over the POSIX limit. + #   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone Africa/Monrovia -0:43:08 - LMT 1882    -0:43:08 - MMT 1919 Mar # Monrovia Mean Time -  -0:44:30 - -004430 1972 May +  -0:44:30 - MMT 1972 Jan 7 # approximately MMT    0:00 - GMT      ###############################################################################