"Wed, 01 Jan 2025 00:04:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250101
Only TIME
00:04:15
General datetime
2025-01-01 00:04:15Z
For Database
2025-01-01 00:04:15
For HTTP1.1
Wed, 01 Jan 2025 00:04:15 GMT