"Sun, 12 Jan 2025 10:11:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250112
Only TIME
10:11:51
General datetime
2025-01-12 10:11:51Z
For Database
2025-01-12 10:11:51
For HTTP1.1
Sun, 12 Jan 2025 10:11:51 GMT