1761 It represents a date and time as a number of microseconds since midnight, 

  1761 It represents a date and time as a number of microseconds since midnight

  1762 January 1st, 1 AD nominal Gregorian. BC dates are represented by negative 

  1762 at the beginning of 1 January, year 0 (using astronomical numbering, where

  1763 TTime values. A TTime object may be constructed from a TInt64, a TDateTime 

  1763 year 2000 = 2000 AD, year 1600 = 1600 AD, year 1 = 1 AD, and so year 0 =

  1764 a string literal, or by default, which initialises the time to an arbitrary 

  1764 1 BC, year -100 = 101 BC, etc).  The calendar used is nominal Gregorian, so

  1765 value. To access human-readable time information, the TTime may be converted 

  1765 no days are removed from September 1752 or any other month, but leap year

  1766 from a TInt64 into a TDateTime, which represents the date and time as seven 

  1766 calculations before 1600 use the Julian method of every four years, even

  1767 numeric fields and provides functions to extract these fields. Alternatively, 

  1767 for years which are exactly divisible by 100 but not by 400.  Thus leap

  1768 to display the time as text, the time may be formatted and placed into a

  1768 years include: 1200, 1300, 1400, 1500, 1600 and 2000; non-leap years

  1769 descriptor using a variety of formatting commands and which may or may not

  1769 include: 1601, 1700, 1800, 1900 and 2100.

  1770 honour the system's locale settings. The conversion between time and text may

  1770 

  1771 be performed the other way around, so that a descriptor can be parsed and

  1771 A TTime object may be constructed from a TInt64, a TDateTime, a string literal,

  1772 converted into a TTime value.

  1772 or by default, which initialises the time to an arbitrary value. To access

  1773 human-readable time information, the TTime may be converted from a TInt64

  1774 into a TDateTime, which represents the date and time as seven numeric fields

  1775 and provides functions to extract these fields. Alternatively, to display the

  1776 time as text, the time may be formatted and placed into a descriptor using a

  1777 variety of formatting commands and which may or may not honour the system's

  1778 locale settings. The conversion between time and text may be performed the

  1779 other way around, so that a descriptor can be parsed and converted into a

  1780 TTime value.