"Sun, 22 Dec 2024 19:40:27"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241222
Only TIME
19:40:27
General datetime
2024-12-22 19:40:27Z
For Database
2024-12-22 19:40:27
For HTTP1.1
Sun, 22 Dec 2024 19:40:27 GMT