"Sat, 04 Jan 2025 19:05:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250104
Only TIME
19:05:18
General datetime
2025-01-04 19:05:18Z
For Database
2025-01-04 19:05:18
For HTTP1.1
Sat, 04 Jan 2025 19:05:18 GMT