"Sat, 04 Jan 2025 15:27:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250104
Only TIME
15:27:57
General datetime
2025-01-04 15:27:57Z
For Database
2025-01-04 15:27:57
For HTTP1.1
Sat, 04 Jan 2025 15:27:57 GMT