"Sun, 09 Jun 2024 15:44:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240609
Only TIME
15:44:55
General datetime
2024-06-09 15:44:55Z
For Database
2024-06-09 15:44:55
For HTTP1.1
Sun, 09 Jun 2024 15:44:55 GMT