"Sat, 04 Jan 2025 18:18:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250104
Only TIME
18:18:48
General datetime
2025-01-04 18:18:48Z
For Database
2025-01-04 18:18:48
For HTTP1.1
Sat, 04 Jan 2025 18:18:48 GMT