UTC time is the common phrase for Coordinated Universal Time (UTC), where the standard, its history and its maintenance are covered in full. Strictly the phrase repeats itself, since the T in UTC already stands for time, but it is widely used on trading screens and in support pages.
UTC is the reference clock from which the world's time zones are set as offsets, such as UTC+1 or UTC−5. It does not change for daylight saving, which makes it a fixed point for anyone working across borders. That is why financial markets and crypto platforms lean on it. Many exchanges quote daily candles, funding times and trading volume on a UTC day, and perpetual futures platforms often set funding payments at fixed UTC hours.
Blockchains record time too. Each block carries a timestamp, normally a count of seconds since 1 January 1970 measured on the UTC scale, which explorers then display in readable form. With a steady block time, those stamps let users estimate when a lock-up or vesting date will arrive.
The initials are a compromise between the English and French word orders, chosen so that neither language's abbreviation won. Payment systems and settlement cut-offs, by contrast, are often set in local time, so reading the time zone matters.