"Mon, 03 Feb 2025 18:43:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250203
Only TIME
18:43:35
General datetime
2025-02-03 18:43:35Z
For Database
2025-02-03 18:43:35
For HTTP1.1
Mon, 03 Feb 2025 18:43:35 GMT