*** Almanac for the currently specified date ***:
Almanac for Roque de los Muchachos:
long.   1 11 31 (h.m.s) W, lat.  28 45.5 (d.m), elev.  2326 m
pseudo-Greenwich Daylight Savings Time assumed from 2 AM on
1998 Mar 29 to 2 AM on 1998 Sep 27; standard zone =   0 hrs W

For the night of: Wed, 1998 May 6 ---> Thu, 1998 May 7
Local midnight = 1998 May 6, 23 hr UT, or JD 2450940.458
Local Mean Sidereal Time at midnight =  12 46 51.8

Sunset ( 2326 m horizon):   20 57 GDT; Sunrise:    7 18 GDT
Evening twilight:   22 17 GDT;  LMST at evening twilight:   11 03
Morning twilight:    5 59 GDT;  LMST at morning twilight:   18 47
12-degr twilight:  21 45 GDT -->   6 31 GDT; night center:    2 08 GDT

Moonset :    5 20 GDT   
Moon at civil midnight: illuminated fraction 0.816
3.5 days since first quarter, RA and dec:  11 44 44,   2 48.0

The sun is down for 10.4 hr;  7.7 hr from eve->morn 18 deg twilight.
 0.7 dark hours after moonset and before beginning of twilight.


*** Almanac for the currently specified date ***:
Almanac for Roque de los Muchachos:
long.   1 11 31 (h.m.s) W, lat.  28 45.5 (d.m), elev.  2326 m
pseudo-Greenwich Daylight Savings Time assumed from 2 AM on
1998 Mar 29 to 2 AM on 1998 Sep 27; standard zone =   0 hrs W

For the night of: Wed, 1998 May 6 ---> Thu, 1998 May 7
Local midnight = 1998 May 6, 23 hr UT, or JD 2450940.458
Local Mean Sidereal Time at midnight =  12 46 51.8

Sunset ( 2326 m horizon):   20 57 GDT; Sunrise:    7 18 GDT
Evening twilight:   22 17 GDT;  LMST at evening twilight:   11 03
Morning twilight:    5 59 GDT;  LMST at morning twilight:   18 47
12-degr twilight:  21 45 GDT -->   6 31 GDT; night center:    2 08 GDT

Moonset :    5 20 GDT   
Moon at civil midnight: illuminated fraction 0.816
3.5 days since first quarter, RA and dec:  11 44 44,   2 48.0

The sun is down for 10.4 hr;  7.7 hr from eve->morn 18 deg twilight.
 0.7 dark hours after moonset and before beginning of twilight.