Parse about any Arabic textual datetime description into a Unix timestamp

Arabic StrToTime:

Parse about any Arabic textual datetime description into a Unix timestamp.

The function expects to be given a string containing an Arabic date format and will try to parse that format into a Unix timestamp (the number of seconds since January 1 1970 00:00:00 GMT), relative to the timestamp given in now, or the current time if none is supplied.

Example Output 1:

Sunday 19th April 2026

الخميس القادم - 1776902400 - Thursday 23rd April 2026

الأحد الماضي - 1775952000 - Sunday 12th April 2026

بعد أسبوع و ثلاثة أيام - 1777429473 - Wednesday 29th April 2026

منذ تسعة أيام - 1775787873 - Friday 10th April 2026

قبل إسبوعين - 1775355873 - Sunday 05th April 2026

2 آب 1975 - 176169600 - Saturday 02nd August 1975