"Tue, 18 Jun 2024 04:06:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
04:06:19
General datetime
2024-06-18 04:06:19Z
For Database
2024-06-18 04:06:19
For HTTP1.1
Tue, 18 Jun 2024 04:06:19 GMT