"Sat, 01 Jun 2024 18:14:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240601
Only TIME
18:14:39
General datetime
2024-06-01 18:14:39Z
For Database
2024-06-01 18:14:39
For HTTP1.1
Sat, 01 Jun 2024 18:14:39 GMT