Time zones are usually defined as differing from UTC by an integer number of hours, although the laws of each jurisdiction would have to be consulted if sub-second accuracy was required. Several jurisdictions have established time zones that differ by an integer number of half-hours or quarter-hours from UT1 or UTC.
Ayad, is an indirect Quranic name. Pronounced as (U)ltimate + (YA)r(D), it is the plural of Ayd (hands, power, blessings), which itself is the plural of Yad (hand, blessing).
Freebase (0.00 / 0 votes) Rate this definition: Dyad. The Dyad is a title used by the Pythagoreans for the number two, representing the principle of twoness or otherness. Numenius said that Pythagoras gave the name of Monad to God, and the name of Dyad to matter.