"Mon, 20 Jan 2025 18:53:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250120
Only TIME
18:53:02
General datetime
2025-01-20 18:53:02Z
For Database
2025-01-20 18:53:02
For HTTP1.1
Mon, 20 Jan 2025 18:53:02 GMT