Output of Night (a programme written in April 1994 by Jan Hollan, N. Copernicus Observatory and Planetarium in Brno). The centre of Sun is at a place with coordinates [Lambda=16.6°, Phi=49.2°] in an angular height of h =-6.0° in the following morning and evening moments (given in UTC+ 2h): year-month-day morning evening twilight decl. >mean night A-W h:min / 1 min /1° /1min /1h /1° 2021-10-26 Tuesday 6:59 18:16 33.0 -12.60 16.0 12.73 -12.3 27 Wednesd 7: 1 18:14 33.1 -12.94 16.1 12.78 -12.9 28 Thursda 7: 2 18:12 33.2 -13.27 16.2 12.83 -13.4 year-month-day morning evening twilight decl. > EuT "night" A-W h:min / 1 min /1° /1min /1h /1° Average for 3 days from 3 values is 7: 1 18:14 99.4 -12.94 16.1 12.78 -12.9 Meaning of remaining columns: Twilight is an interval to/from h=-0.8° Declination of Sun is given for the moment of local mean noon, >Mean says how much is the Sun ahead of the mean time, Night is the time the Sun travels below h, A-W is departure of solar azimuth from the west when at h afternoon.