"Mon, 27 Jan 2025 05:35:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250127
Only TIME
05:35:21
General datetime
2025-01-27 05:35:21Z
For Database
2025-01-27 05:35:21
For HTTP1.1
Mon, 27 Jan 2025 05:35:21 GMT