"Sat, 01 Jun 2024 16:16:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240601
Only TIME
16:16:38
General datetime
2024-06-01 16:16:38Z
For Database
2024-06-01 16:16:38
For HTTP1.1
Sat, 01 Jun 2024 16:16:38 GMT