"Mon, 06 Jan 2025 23:48:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250106
Only TIME
23:48:15
General datetime
2025-01-06 23:48:15Z
For Database
2025-01-06 23:48:15
For HTTP1.1
Mon, 06 Jan 2025 23:48:15 GMT