ANNA time zone database

Introduction

The ANNA time zone database provides fixes to the IANA time zone database.

File sources

Files can be found at: http://anna.info/annatzdb/

There is a full file <filename>.<YYYYMMDDx> and a diff file <filename>.<YYYYMMDDx>.patch

diff -u ../ianatzdb/<filename> <filename>.<YYYYMMDDx> > <filename>.<YYYYMMDDx>.patch

Australia

• 2013-04-08 - a file australasia based on IANA tzdata2013b/australasia and having the ambiguous DST acronyms for Australia fixed is published
• 2013-04-08 patch file is published
• 2013-04-09 - new pair labeled 20130409a has been created. Hopefully fixing

-----
$ zic -d zoneinfo australasia
"australasia", line 30: %s in ruleless zone
"australasia", line 98: %s in ruleless zone
"australasia", line 130: %s in ruleless zone
"australasia", line 131: %s in ruleless zone
"australasia", line 135: %s in ruleless zone
"australasia", line 136: %s in ruleless zone
"australasia", line 184: %s in ruleless zone
"australasia", line 185: %s in ruleless zone
"australasia", line 207: %s in ruleless zone
-----

• 2013-04-11 new pair labeled 20130411.withLHHDT has been created. Using the letters used by IANA in other places for 0:30 DST.

ANNA time zone location code

TZLC - no UN LOCODE

Temporarily assigned codes start with "0" and do not overlap with a code that starts with O and has the same characters in the other positions.

tzid	ANNA tzlc
Europe/Busingen	0BS
America/Danmarkshavn	0DN
Asia/Hebron	0HB
America/Santa_Isabel	0IS
Asia/Jerusalem	0JE
Asia/Khandyga	0KH
America/Shiprock	0SH
Asia/Ust-Nera	0UN
America/Indiana/Vevay	0VV

TZLC - ending in T

15 UN/LOCODE end in "T" and could be mistaken for a time if only the location part is seen.

UN LOCODE ISO 3166-1	UN LOCODE location	IANA tzid	ANNA tzlc
NZ	CHT	Pacific/Chatham	1CH
US	DET	America/Detroit	1DE
TC	GDT	America/Grand_Turk	1GD
RU	IKT	Asia/Irkutsk	1IK
TR	IST	Europe/Istanbul	1IS
ID	JKT	Asia/Jakarta	1JK
SD	KRT	Africa/Khartoum	1KR
OM	MCT	Asia/Muscat	1MC
MX	MZT	America/Mazatlan	1MZ
CA	PNT	America/Pangnirtung	1PN
PF	PPT	Pacific/Tahiti	1PP
AQ	ROT	Antarctica/Rothera	1RO
US	SIT	America/Sitka	1SI
VI	STT	America/St_Thomas	1S1
VA	VAT	Europe/Vatican	1VA

TZLC - UN location part ambiguous

The location part for the following zones is ambigous in CLDR:

UN/LOCODE ISO 3166-1	UN/LOCODE location	IANA tzid	ANNA tzlc	Status	Comment
NL	AMS	Europe/Amsterdam	AMS	keep
AQ	AMS	Antarctica/South_Pole	SM0	change
MA	CAS	Africa/Casablanca	CAS	keep
LC	CAS	America/St_Lucia	CA0	change
AQ	CAS	Antarctica/Casey	CS0	change
MX	CHI	America/Chihuahua	CH0	change
US	CHI	America/Chicago	CHI	keep
BQ	KRA	America/Kralendijk	KR0	change	3k inhabitans
RU	KRA	Asia/Krasnoyarsk	KRA	keep
YT	MAM	Indian/Mayotte	MM0	change	~50k inhabitants, the capital, but airport is DZA
MX	MAM	America/Matamoros	MAM	keep	~400k inhabitants
SC	MAW	Indian/Mahe	MAW	keep
AQ	MAW	Antarctica/Mawson	MW0	change
CA	MON	America/Moncton	MO0	change	airport is YQM, located in New Brunswick and zone is for New Brunswick
MC	MON	Europe/Monaco	MON	keep
GL	THU	America/Thule	TH0	change	abandoned
CA	THU	America/Thunder_Bay	THU	keep	(city)
RU	YEK	Asia/Yekaterinburg	YEK	keep	larger
CA	YEK	America/Rankin_Inlet	YK0	change	3k inhabitants