Add Siwa Oasis (Egypt) to your list and use my-locations table to visually convert it's time to another timezone or city time.
Mouse over the colored hour-tiles and glance at the hours selected by the column.

Current time zone for Siwa Oasis (Egypt) is EEST, whose offset is GMT+3 from Greenwich Mean Time (GMT).

The IANA timezone identifier for Siwa Oasis, Egypt is "Africa/Cairo"

DST started on Friday, April 25 2025 at 0:00 am local time, when time in Siwa Oasis moved forward 1 hour to 1:00 am.
DST ends on Thursday, October 30 2025 at 24:00 pm local time, when time in Siwa Oasis moves back 1 hour to 23:00 pm.