"Mon, 17 Feb 2025 11:19:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250217
Only TIME
11:19:21
General datetime
2025-02-17 11:19:21Z
For Database
2025-02-17 11:19:21
For HTTP1.1
Mon, 17 Feb 2025 11:19:21 GMT