24-hour clock

GPTKB entity

Statements (51)
Predicate Object
gptkbp:instanceOf timekeeping system
gptkbp:adoptedBy gptkb:British_railway_companies
gptkb:International_Standard
military organizations
French railway companies
gptkbp:advantage avoids ambiguity between AM and PM
gptkbp:alsoKnownAs military time
gptkbp:commonIn gptkb:Africa
gptkb:Asia
gptkb:Europe
gptkb:Latin_America
gptkbp:contrastsWith 12-hour clock
gptkbp:firstHour 00
gptkbp:format HH:mm
HH:mm:ss
https://www.w3.org/2000/01/rdf-schema#label 24-hour clock
gptkbp:lastHour 23
gptkbp:midnightNotation 00:00
gptkbp:minuteRange 00 to 59
gptkbp:noonNotation 12:00
gptkbp:notation 00:00 to 23:59
00:30 = 12:30 AM
12:00 = 12:00 PM
13:00 = 1:00 PM
23:59 = 11:59 PM
gptkbp:originatedIn 19th century
gptkbp:rareIn gptkb:Canada_(civilian_use)
gptkb:United_States_(civilian_use)
gptkbp:relatedTo gptkb:ISO_8601
time notation
12-hour clock
gptkbp:secondRange 00 to 59
gptkbp:standardizedBy gptkb:ISO_8601
gptkbp:usedBy gptkb:military
gptkb:transportation
aviation
healthcare
gptkbp:usedFor broadcasting
railways
computers
emergency services
airlines
international communication
schedules
scientific contexts
timetables
digital clocks
gptkbp:usedIn gptkb:ISO_8601
most countries worldwide
gptkbp:bfsParent gptkb:ISO_8601_date_format
gptkbp:bfsLayer 6