"Sat, 04 May 2024 12:14:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240504
Only TIME
12:14:01
General datetime
2024-05-04 12:14:01Z
For Database
2024-05-04 12:14:01
For HTTP1.1
Sat, 04 May 2024 12:14:01 GMT