"Sat, 08 Jun 2024 18:34:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240608
Only TIME
18:34:23
General datetime
2024-06-08 18:34:23Z
For Database
2024-06-08 18:34:23
For HTTP1.1
Sat, 08 Jun 2024 18:34:23 GMT