Web Component, using CSS to drive a digital clock.
UTC time, no additional formatting
Berlin time (UTC+1) with German language
New York time (UTC-4) and time="12hour short"
Tokyo time (UTC+9)
Riyadh time (UTC+3)
Tokyo time (UTC+9) with hiragana numbering
Beijing time (UTC+8) with CJK decimal numbering
Bangkok time (UTC+7)
Rome time (UTC+2) with upper Roman numerals
Sydney time (UTC+10)