"Sat, 01 Feb 2025 19:20:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250201
Only TIME
19:20:51
General datetime
2025-02-01 19:20:51Z
For Database
2025-02-01 19:20:51
For HTTP1.1
Sat, 01 Feb 2025 19:20:51 GMT