FM / zoneinfo

/usr/share/zoneinfo

Name	Size	Mode	Actions
Africa/	-	0755	rm
America/	-	0755	rm
Antarctica/	-	0755	rm
Arctic/	-	0755	rm
Asia/	-	0755	rm
Atlantic/	-	0755	rm
Australia/	-	0755	rm
Brazil/	-	0755	rm
Canada/	-	0755	rm
Chile/	-	0755	rm
Etc/	-	0755	rm
Europe/	-	0755	rm
Indian/	-	0755	rm
Mexico/	-	0755	rm
Pacific/	-	0755	rm
posix/	-	0755	rm
right/	-	0755	rm
US/	-	0755	rm
CET	2970	0644	edit dl rm
CST6CDT	3601	0644	edit dl rm
Cuba	2437	0644	edit dl rm
EET	2271	0644	edit dl rm
Egypt	2416	0644	edit dl rm
Eire	3543	0644	edit dl rm
EST	203	0644	edit dl rm
EST5EDT	3561	0644	edit dl rm
GB	3687	0644	edit dl rm
GB-Eire	3687	0644	edit dl rm
GMT	127	0644	edit dl rm
GMT+0	127	0644	edit dl rm
GMT-0	127	0644	edit dl rm
GMT0	127	0644	edit dl rm
Greenwich	127	0644	edit dl rm
Hongkong	1247	0644	edit dl rm
HST	338	0644	edit dl rm
Iceland	170	0644	edit dl rm
Iran	1308	0644	edit dl rm
iso3166.tab	4841	0644	edit dl rm
Israel	2397	0644	edit dl rm
Jamaica	507	0644	edit dl rm
Japan	318	0644	edit dl rm
Kwajalein	349	0644	edit dl rm
leap-seconds.list	5065	0644	edit dl rm
leapseconds	3694	0644	edit dl rm
Libya	655	0644	edit dl rm
MET	2970	0644	edit dl rm
MST	369	0644	edit dl rm
MST7MDT	2469	0644	edit dl rm
Navajo	2469	0644	edit dl rm
NZ	2460	0644	edit dl rm
NZ-CHAT	2087	0644	edit dl rm
Poland	2705	0644	edit dl rm
Portugal	3541	0644	edit dl rm
posixrules	3561	0644	edit dl rm
PRC	582	0644	edit dl rm
PST8PDT	2861	0644	edit dl rm
ROC	790	0644	edit dl rm
ROK	659	0644	edit dl rm
Singapore	424	0644	edit dl rm
Turkey	1970	0644	edit dl rm
tzdata.zi	106781	0644	edit dl rm
UCT	127	0644	edit dl rm
Universal	127	0644	edit dl rm
UTC	127	0644	edit dl rm
W-SU	1544	0644	edit dl rm
WET	3541	0644	edit dl rm
zone.tab	18813	0644	edit dl rm
zone1970.tab	17596	0644	edit dl rm
Zulu	127	0644	edit dl rm

Edit: /usr/share/zoneinfo/leapseconds (3694B)

# Allowance for leap seconds added to each time zone file.

# This file is in the public domain.

# This file is generated automatically from the data in the public-domain
# NIST/IERS format leap-seconds.list file, which can be copied from
# <https://hpiers.obspm.fr/iers/bul/bulc/ntp/leap-seconds.list>
# or via a less-secure protocol and with different comments and
# less volatile last-modified and expiration timestamps, from
# <ftp://ftp.boulder.nist.gov/pub/time/leap-seconds.list>.
# For more about leap-seconds.list, please see
# The NTP Timescale and Leap Seconds
# <https://www.eecis.udel.edu/~mills/leap.html>.

# The rules for leap seconds are specified in Annex 1 (Time scales) of:
# Standard-frequency and time-signal emissions.
# International Telecommunication Union - Radiocommunication Sector
# (ITU-R) Recommendation TF.460-6 (02/2002)
# <https://www.itu.int/rec/R-REC-TF.460-6-200202-I/>.
# The International Earth Rotation and Reference Systems Service (IERS)
# periodically uses leap seconds to keep UTC to within 0.9 s of UT1
# (a proxy for Earth's angle in space as measured by astronomers)
# and publishes leap second data in a copyrighted file
# <https://hpiers.obspm.fr/iers/bul/bulc/Leap_Second.dat>.
# See: Levine J. Coordinated Universal Time and the leap second.
# URSI Radio Sci Bull. 2016;89(4):30-6. doi:10.23919/URSIRSB.2016.7909995
# <https://ieeexplore.ieee.org/document/7909995>.

# There were no leap seconds before 1972, as no official mechanism
# accounted for the discrepancy between atomic time (TAI) and the earth's
# rotation.  The first ("1 Jan 1972") data line in leap-seconds.list
# does not denote a leap second; it denotes the start of the current definition
# of UTC.

# All leap-seconds are Stationary (S) at the given UTC time.
# The correction (+ or -) is made at the given time, so in the unlikely
# event of a negative leap second, a line would look like this:
# Leap	YEAR	MON	DAY	23:59:59	-	S
# Typical lines look like this:
# Leap	YEAR	MON	DAY	23:59:60	+	S
Leap	1972	Jun	30	23:59:60	+	S
Leap	1972	Dec	31	23:59:60	+	S
Leap	1973	Dec	31	23:59:60	+	S
Leap	1974	Dec	31	23:59:60	+	S
Leap	1975	Dec	31	23:59:60	+	S
Leap	1976	Dec	31	23:59:60	+	S
Leap	1977	Dec	31	23:59:60	+	S
Leap	1978	Dec	31	23:59:60	+	S
Leap	1979	Dec	31	23:59:60	+	S
Leap	1981	Jun	30	23:59:60	+	S
Leap	1982	Jun	30	23:59:60	+	S
Leap	1983	Jun	30	23:59:60	+	S
Leap	1985	Jun	30	23:59:60	+	S
Leap	1987	Dec	31	23:59:60	+	S
Leap	1989	Dec	31	23:59:60	+	S
Leap	1990	Dec	31	23:59:60	+	S
Leap	1992	Jun	30	23:59:60	+	S
Leap	1993	Jun	30	23:59:60	+	S
Leap	1994	Jun	30	23:59:60	+	S
Leap	1995	Dec	31	23:59:60	+	S
Leap	1997	Jun	30	23:59:60	+	S
Leap	1998	Dec	31	23:59:60	+	S
Leap	2005	Dec	31	23:59:60	+	S
Leap	2008	Dec	31	23:59:60	+	S
Leap	2012	Jun	30	23:59:60	+	S
Leap	2015	Jun	30	23:59:60	+	S
Leap	2016	Dec	31	23:59:60	+	S

# UTC timestamp when this leap second list expires.
# Any additional leap seconds will come after this.
# This Expires line is commented out for now,
# so that pre-2020a zic implementations do not reject this file.
#Expires 2027	Jun	28	00:00:00

# Here are POSIX timestamps for the data in this file.
# "#updated" gives the last time the leap seconds data changed
# or, if this file was derived from the IERS leap-seconds.list,
# the last time that file changed in any way.
# "#expires" gives the first time this file might be wrong;
# if this file was derived from the IERS leap-seconds.list,
# this is typically a bit less than one year after "updated".
#updated 1783323897 (2026-07-06 07:44:57 UTC)
#expires 1814140800 (2027-06-28 00:00:00 UTC)

#	Updated through IERS Bulletin C (https://hpiers.obspm.fr/iers/bul/bulc/bulletinc.dat)
#	File expires on 28 June 2027

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