"Sat, 04 May 2024 16:08:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240504
Only TIME
16:08:09
General datetime
2024-05-04 16:08:09Z
For Database
2024-05-04 16:08:09
For HTTP1.1
Sat, 04 May 2024 16:08:09 GMT