"Mon, 27 Jan 2025 18:59:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250127
Only TIME
18:59:02
General datetime
2025-01-27 18:59:02Z
For Database
2025-01-27 18:59:02
For HTTP1.1
Mon, 27 Jan 2025 18:59:02 GMT