"Mon, 03 Feb 2025 12:25:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250203
Only TIME
12:25:55
General datetime
2025-02-03 12:25:55Z
For Database
2025-02-03 12:25:55
For HTTP1.1
Mon, 03 Feb 2025 12:25:55 GMT