C+
C NAME:
C	Time2CarringtonN
C PURPOSE:
C	Get Carrington rotation number for given time tt
C CALLING SEQUENCE:
	integer function Time2CarringtonN(tt)
C INPUTS:
C	tt(2)		integer		2-element standard time
C OUTPUTS:
C	Time2CarringtonN
C			integer		Carrington rotation number
C	tt(2)		integer		start time of rotation Time2CarringtonN
C CALLS:
C	Time2Carrington
C MODIFICATION HISTORY:
C	JAN-2004, Paul Hick (UCSD/CASS; pphick@ucsd.edu)
C-
	    integer		tt(2)

	double precision	xc

	call Time2Carrington(0,tt,Time2CarringtonN,xc)

	return
	end