"Mon, 27 Jan 2025 03:37:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250127
Only TIME
03:37:21
General datetime
2025-01-27 03:37:21Z
For Database
2025-01-27 03:37:21
For HTTP1.1
Mon, 27 Jan 2025 03:37:21 GMT