Astronomical Year Numbering - Signed Years Without Year 0

Signed Years Without Year 0

Although he used the usual French terms "avant J.-C." (before Jesus Christ) and "après J.-C." (after Jesus Christ) to label years elsewhere in his book, the Byzantine historian Venance Grumel used negative years (identified by a minus sign, −) to label BC years and unsigned positive years to label AD years in a table, possibly to save space, without a year 0 between them.

The XML Schema language, sometimes used in connection with representing data for storage in computers, contains built-in primitive datatypes, date and dateTime, which do not allow a year zero, and designate years BC as negative numbers. Years contain at least four digits. Thus -0001 in that language is equivalent to 1 BC. However, the defining recommendation indicates a change to a system similar to ISO 8601 and astronomical year numbering is likely in the future.

Read more about this topic:  Astronomical Year Numbering

Famous quotes containing the words signed, years and/or year:

    You watched and you saw what happened and in the accumulation of episodes you saw the pattern: Daddy ruled the roost, called the shots, made the money, made the decisions, so you signed up on his side, and fifteen years later when the women’s movement came along with its incendiary manifestos telling you to avoid marriage and motherhood, it was as if somebody put a match to a pile of dry kindling.
    Anne Taylor Fleming (20th century)

    But—if you cannot give us ease—
    Last of the race of them who grieve
    Here leave us to die out with these
    Last of the people who believe!
    Silent, while years engrave the brow;
    Silent—the best are silent now.
    Matthew Arnold (1822–1888)

    Material advancement has its share in moral and intellectual progress. Becky Sharp’s acute remark that it is not difficult to be virtuous on ten thousand a year has its applications to nations; and it is futile to expect a hungry and squalid population to be anything but violent and gross.
    Thomas Henry Huxley (1825–95)