"Sat, 04 May 2024 20:20:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240504
Only TIME
20:20:35
General datetime
2024-05-04 20:20:35Z
For Database
2024-05-04 20:20:35
For HTTP1.1
Sat, 04 May 2024 20:20:35 GMT