3 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Convert a date-time from UTC to Asia/Tokyo: send 'now' or a local date-time in UTC, get the same instant in Asia/Tokyo with both UTC offsets, whether daylight saving applies on each side, the hour difference and the ISO/...
Convert a date-time from America/Los_Angeles to Asia/Tokyo: send 'now' or a local date-time in America/Los_Angeles, get the same instant in Asia/Tokyo with both UTC offsets, whether daylight saving applies on each side,...
Convert a date-time from Europe/London to Asia/Tokyo: send 'now' or a local date-time in Europe/London, get the same instant in Asia/Tokyo with both UTC offsets, whether daylight saving applies on each side, the hour dif...