DateString¶

Returns a string representation of a date. Without arguments, returns the current date/time.

$ wo 'StringLength[DateString[]] > 0'
True

$ wo 'DateString[{2026, 4, 15}, "ISODate"]'
2026-04-15

$ wo 'DateString[{2026, 4, 15}, "Year"]'
2026

Common format specifications¶

• "ISODate" → 2026-04-15
• "ISODateTime" → 2026-04-15T12:34:56
• "DateTime" → Wed 15 Apr 2026 12:34:56
• "Date" → Wed 15 Apr 2026
• "Time" → 12:34:56
• "Year", "Month", "Day" → individual components