"Sat, 04 Jan 2025 02:39:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250104
Only TIME
02:39:00
General datetime
2025-01-04 02:39:00Z
For Database
2025-01-04 02:39:00
For HTTP1.1
Sat, 04 Jan 2025 02:39:00 GMT