2
3# Allowance for leapseconds added to each timezone file.
4
5# The International Earth Rotation Service periodically uses leap seconds
6# to keep UTC to within 0.9 s of TAI (atomic time); see
7# Terry J Quinn, The BIPM and the accurate measure of time,
8# Proc IEEE 79, 7 (July 1991), 894-905.
9# There were no leap seconds before 1972, because the official mechanism
10# accounting for the discrepancy between atomic time and the earth's rotation
11# did not exist until the early 1970s.
12
13# The correction (+ or -) is made at the given time, so lines
14# will typically look like:
15# Leap YEAR MON DAY 23:59:60 + R/S
16# or
17# Leap YEAR MON DAY 23:59:59 - R/S
18
19# If the leapsecond is Rolling (R) the given time is local time
| 2
3# Allowance for leapseconds added to each timezone file.
4
5# The International Earth Rotation Service periodically uses leap seconds
6# to keep UTC to within 0.9 s of TAI (atomic time); see
7# Terry J Quinn, The BIPM and the accurate measure of time,
8# Proc IEEE 79, 7 (July 1991), 894-905.
9# There were no leap seconds before 1972, because the official mechanism
10# accounting for the discrepancy between atomic time and the earth's rotation
11# did not exist until the early 1970s.
12
13# The correction (+ or -) is made at the given time, so lines
14# will typically look like:
15# Leap YEAR MON DAY 23:59:60 + R/S
16# or
17# Leap YEAR MON DAY 23:59:59 - R/S
18
19# If the leapsecond is Rolling (R) the given time is local time
|