std.time.zone
generate-offsets
added in 3.0
(generate-offsets)make offsets in milliseconds (zone/generate-offsets) => (“00:00” 0 “00:15” 900000 …. “11:30” 41400000 “11:45” 42300000)
pad-zeros
added in 3.0
(pad-zeros s)if number less than 10, make double digit
(zone/pad-zeros “5”) => “05”