"Sat, 04 Jan 2025 09:21:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250104
Only TIME
09:21:33
General datetime
2025-01-04 09:21:33Z
For Database
2025-01-04 09:21:33
For HTTP1.1
Sat, 04 Jan 2025 09:21:33 GMT