"Sat, 04 Jan 2025 16:39:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250104
Only TIME
16:39:10
General datetime
2025-01-04 16:39:10Z
For Database
2025-01-04 16:39:10
For HTTP1.1
Sat, 04 Jan 2025 16:39:10 GMT