"Sat, 04 Jan 2025 18:43:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250104
Only TIME
18:43:44
General datetime
2025-01-04 18:43:44Z
For Database
2025-01-04 18:43:44
For HTTP1.1
Sat, 04 Jan 2025 18:43:44 GMT