"Mon, 17 Feb 2025 12:50:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250217
Only TIME
12:50:35
General datetime
2025-02-17 12:50:35Z
For Database
2025-02-17 12:50:35
For HTTP1.1
Mon, 17 Feb 2025 12:50:35 GMT