def Time(hour, minute, second): return sybdatetime('%d:%d:%d' % (hour, minute, second))
def Timestamp(year, month, day, hour, minute, second): return sybdatetime('%s-%s-%s %d:%d:%d' % (year, month, day, hour, minute, second))
def Date(year, month, day): return sybdatetime('%s-%s-%s' % (year, month, day))