"Tue, 18 Jun 2024 16:16:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
16:16:37
General datetime
2024-06-18 16:16:37Z
For Database
2024-06-18 16:16:37
For HTTP1.1
Tue, 18 Jun 2024 16:16:37 GMT