"Sat, 04 Jan 2025 03:39:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250104
Only TIME
03:39:18
General datetime
2025-01-04 03:39:18Z
For Database
2025-01-04 03:39:18
For HTTP1.1
Sat, 04 Jan 2025 03:39:18 GMT