"Sun, 16 Feb 2025 12:26:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250216
Only TIME
12:26:03
General datetime
2025-02-16 12:26:03Z
For Database
2025-02-16 12:26:03
For HTTP1.1
Sun, 16 Feb 2025 12:26:03 GMT