Key:check_date - OpenStreetMap Wiki

Key:check_date - OpenStreetMap Wiki
Key:check_date
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Key:check date
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check_date
Description
Date of latest review of the data. Format: YYYY-MM-DD.
Group:
annotations
Used on these
elements
Useful combination
opening_date
=*
opening_hours
=*
collection_times
=*
See also
survey:date
=*
source:date
=*
opening_date
=*
start_date
=*
Status:
de facto
check_date
More details at tag
info
Tools for this tag
taginfo
AD
AT
BE
BR
BY
CH
CN
CZ
DE
DK
FI
FR
GB
GR
HU
IE (N+S)
IN
IR
IT
LI
LU
JP
KP
KR
NL
NO
PL
PT
RU
ES
AR
MX
CO
BO
CL
EC
PY
PE
UY
VE
TW
UA
US
VN
overpass-turbo
QLever
Postpass via overpass-turbo
OSM Tag History
The tag
check_date
=*
is used:
to document the date when the existence of an object was last checked and
as a
prefix
check_date:*
=*
), e.g. in
check_date
opening_hours
=*
, to document when a specific tag was last checked. This is particularly useful for tags with information that changes often, such as
opening_hours
=*
or
collection_times
=*
The date should be specified using the
ISO 8601
format YYYY-MM-DD.
Contents
Examples
Notes
Synonymous tags in use
3.1
Deprecated tags
See also
References
Examples
A road that was still under construction on 2 June 2021:
highway
construction
check_date
2021-06-02
A road under construction whose planned opening date (5 October 2021) has been checked on 2 June 2021:
highway
construction
opening_date
2021-10-05
check_date
opening_date
2021-06-02
A postbox that still existed on 21 September 2021 but whose collection times have probably not been checked since 13 May 2021:
amenity
post_box
collection_times
Mo-Fr 09:00
check_date
2021-09-21
check_date
collection_times
2021-05-13
Notes
The original idea was to use
check_date
=*
to document the date when an object as a whole (i.e. all its tags) have last been checked. However, it was also used to indicate only a partial survey. It has then been used by
StreetComplete
(and possibly by others) to document the date when only its existence was last checked due to it often being impractical to check all tags of an object.
check_date
is also used as a suffix (e.g. in
collection_times:check_date
=*
or
opening_hours:check_date
=*
), but much less than as a prefix.
Synonymous tags in use
There are a number of other tags in use for documenting the date of a survey or update. Apparently there is no clear consensus as yet on which tag to use. You should try to use
check_date
=*
or other of those tags that others have already used for the same purpose to avoid creating new duplicates. Do note, however, that not all of the tags listed here mean exactly the same thing.
survey:date
=*
Deprecated tags
survey_date
More details at tag
info
More details at tag
info
survey_date=*
If you know
places with this tag
, verify if it could be tagged with another tag.
Automated edits are
strongly discouraged
unless
you really know what you are doing
lastcheck
More details at tag
info
More details at tag
info
lastcheck=*
If you know
places with this tag
, verify if it could be tagged with another tag.
Automated edits are
strongly discouraged
unless
you really know what you are doing
last_checked
More details at tag
info
More details at tag
info
last_checked=*
If you know
places with this tag
, verify if it could be tagged with another tag.
Automated edits are
strongly discouraged
unless
you really know what you are doing
building:check_date
More details at tag
info
More details at tag
info
building:check_date=*
If you know
places with this tag
, verify if it could be tagged with another tag.
Automated edits are
strongly discouraged
unless
you really know what you are doing
updated
More details at tag
info
More details at tag
info
updated=*
If you know
places with this tag
, verify if it could be tagged with another tag.
Automated edits are
strongly discouraged
unless
you really know what you are doing
checked_exists:date
More details at tag
info
More details at tag
info
checked_exists:date=*
If you know
places with this tag
, verify if it could be tagged with another tag.
Automated edits are
strongly discouraged
unless
you really know what you are doing
See also
survey:date
=*
- Date of last time the feature was surveyed
Overpass API query for mailboxes colored by the validity of the collection_time tag
- example for QA of
amenity
post_box
Sophox query for features checked after they were edited
– examples of mapper confusion about the purpose of the
check_date
=*
key
References
Retrieved from "
Categories
Key descriptions for group "annotations"
Key descriptions
Key descriptions with status "de facto"
Annotations
Tagging Mistakes
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