"Sat, 01 Jun 2024 08:54:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240601
Only TIME
08:54:35
General datetime
2024-06-01 08:54:35Z
For Database
2024-06-01 08:54:35
For HTTP1.1
Sat, 01 Jun 2024 08:54:35 GMT