Example image of eyePlorer eyePlorer map for 'ISO 8601': International standard International Organization for Standardization Coordinated Universal Time ISO 2014 ISO 2015 ISO 2711 ISO 3307 ISO 4031 Endianness Lexicographical order Leading zero Colon (punctuation) Hyphen De facto Gregorian calendar Metre Convention Paris Proleptic Gregorian calendar Year 2000 problem Year 10,000 problem Year zero Anno Domini Common Era Ordinal date Leap year Julian day 24-hour clock Hour Minute Leap second Second Midnight Comma Decimal separator Full stop Time zone NATO phonetic alphabet Berlin Central Time Zone (Americas) Chicago Nautical time Slash (punctuation) Solidus (punctuation) Date and time notation by country Internet Engineering Task Force Internet standard ISO 8601 usage ISO week date Seven-day week Thursday