"Tue, 18 Jun 2024 17:18:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
17:18:23
General datetime
2024-06-18 17:18:23Z
For Database
2024-06-18 17:18:23
For HTTP1.1
Tue, 18 Jun 2024 17:18:23 GMT