Features: added diff time to default zone, current time in zone list (converted to usertimezone ) , timezone selector filtered by continent to have shorter options list
*to change continent filter edit row 99 (WHERE `Name` LIKE 'Europe%' OR `Name` LIKE 'Asia%')
- > substitute "Europe" &/or "Asia" with required continent names (as in timezones list)
to filter by single continent delete // OR `Name` LIKE 'Asia% //
to remove row, don't gorget to keep // "; // at thend of that querry
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