"Mon, 17 Feb 2025 19:20:46"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250217
Only TIME
19:20:46
General datetime
2025-02-17 19:20:46Z
For Database
2025-02-17 19:20:46
For HTTP1.1
Mon, 17 Feb 2025 19:20:46 GMT