*** 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 2000 Mar 26 to 2 AM on 2000 Sep 24; standard zone = 0 hrs W For the night of: Fri, 2000 May 19 ---> Sat, 2000 May 20 Local midnight = 2000 May 19, 23 hr UT, or JD 2451684.458 Local Mean Sidereal Time at midnight = 13 40 09.0 Sunset ( 2326 m horizon): 21 06 GDT; Sunrise: 7 10 GDT Evening twilight: 22 28 GDT; LMST at evening twilight: 12 08 Morning twilight: 5 48 GDT; LMST at morning twilight: 19 29 12-degr twilight: 21 55 GDT --> 6 20 GDT; night center: 2 08 GDT Moonrise: 22 01 GDT Moon at civil midnight: illuminated fraction 0.972 1.6 days after full moon, RA and dec: 17 09 54, -20 16.7 The sun is down for 10.1 hr; 7.3 hr from eve->morn 18 deg twilight. Bright all night (moon up from evening to morning twilight).