Year: Month:

Sky Calendar - LCO

***** 2021 APRIL *****

In Chilean time ( 4 hr W), for 2402 m above surroundings, DAYLIGHT time used, * shows night clocks are reset.
Moon coords. and illum. are for local midnight, even if moon is down. Program: John Thorstensen, Dartmouth College.

Date (eve/morn) JDmid LMSTmidn ---------- Sun: --------- LST twilight: ------------- Moon: --------------
(2021 at start) (-2450000) set twi.end twi.beg rise eve morn rise set %illum RA Dec

Thu Apr 01/Fri Apr 02 9306.6 10 59 59 19 47 20 58 6 35 7 47 7 57 17 36 22 43 ..... 74 16 48.9 -21 55
Fri Apr 02/Sat Apr 03 9307.6 11 03 55 19 45 20 57 6 36 7 47 8 00 17 41 23 35 ..... 64 17 50.3 -24 10
Sat Apr 03/Sun Apr 04* 9308.6 11 07 52 19 44 20 56 5 36 6 48 8 03 17 45 0 33 ..... 53 18 51.5 -24 50

Sun Apr 04/Mon Apr 05 9309.7 12 11 58 18 43 19 55 5 37 6 48 8 06 17 50 0 34 ..... 41 19 53.7 -23 57
Mon Apr 05/Tue Apr 06 9310.7 12 15 55 18 42 19 53 5 37 6 49 8 09 17 54 1 35 ..... 31 20 50.1 -21 40
Tue Apr 06/Wed Apr 07 9311.7 12 19 51 18 41 19 52 5 38 6 49 8 11 17 59 2 36 ..... 22 21 43.0 -18 18
Wed Apr 07/Thu Apr 08 9312.7 12 23 48 18 40 19 51 5 38 6 50 8 14 18 03 3 35 16 37 14 22 32.6 -14 08
Thu Apr 08/Fri Apr 09 9313.7 12 27 44 18 39 19 50 5 39 6 51 8 17 18 08 4 31 17 11 8 23 19.4 - 9 26
Fri Apr 09/Sat Apr 10 9314.7 12 31 41 18 38 19 49 5 39 6 51 8 20 18 12 5 26 17 42 4 0 04.1 - 4 25
Sat Apr 10/Sun Apr 11 9315.7 12 35 37 18 36 19 48 5 40 6 52 8 23 18 17 6 19 18 12 1 0 47.6 0 43

Sun Apr 11/Mon Apr 12 9316.7 12 39 34 18 35 19 47 5 41 6 52 8 26 18 21 7 12 18 40 0 1 30.7 5 47
Mon Apr 12/Tue Apr 13 9317.7 12 43 30 18 34 19 46 5 41 6 53 8 29 18 25 ..... 19 10 1 2 14.2 10 38
Tue Apr 13/Wed Apr 14 9318.7 12 47 27 18 33 19 45 5 42 6 53 8 32 18 30 ..... 19 41 4 2 58.7 15 05
Wed Apr 14/Thu Apr 15 9319.7 12 51 24 18 32 19 44 5 42 6 54 8 35 18 34 ..... 20 14 8 3 44.8 18 59
Thu Apr 15/Fri Apr 16 9320.7 12 55 20 18 31 19 43 5 43 6 54 8 38 18 39 ..... 20 51 14 4 32.9 22 10
Fri Apr 16/Sat Apr 17 9321.7 12 59 17 18 30 19 42 5 43 6 55 8 41 18 43 ..... 21 33 21 5 23.3 24 28
Sat Apr 17/Sun Apr 18 9322.7 13 03 13 18 29 19 41 5 44 6 56 8 43 18 48 ..... 22 19 29 6 15.6 25 42

Sun Apr 18/Mon Apr 19 9323.7 13 07 10 18 28 19 40 5 44 6 56 8 46 18 52 ..... 23 11 38 7 09.4 25 47
Mon Apr 19/Tue Apr 20 9324.7 13 11 06 18 27 19 39 5 45 6 57 8 49 18 57 ..... 0 07 48 8 03.9 24 37
Tue Apr 20/Wed Apr 21 9325.7 13 15 03 18 26 19 38 5 45 6 57 8 53 19 01 ..... 1 06 58 8 58.6 22 10
Wed Apr 21/Thu Apr 22 9326.7 13 18 59 18 25 19 37 5 46 6 58 8 56 19 06 ..... 2 08 68 9 52.8 18 31
Thu Apr 22/Fri Apr 23 9327.7 13 22 56 18 24 19 36 5 46 6 58 8 59 19 10 ..... 3 11 78 10 46.4 13 47
Fri Apr 23/Sat Apr 24 9328.7 13 26 53 18 23 19 36 5 47 6 59 9 02 19 14 16 13 4 15 87 11 39.7 8 09
Sat Apr 24/Sun Apr 25 9329.7 13 30 49 18 22 19 35 5 47 7 00 9 05 19 19 16 50 5 21 94 12 33.3 1 54

Sun Apr 25/Mon Apr 26 9330.7 13 34 46 18 21 19 34 5 48 7 00 9 08 19 23 17 26 6 29 98 13 28.0 - 4 36
Mon Apr 26/Tue Apr 27 9331.7 13 38 42 18 20 19 33 5 48 7 01 9 11 19 28 18 04 7 39 100 14 24.8 -10 56
Tue Apr 27/Wed Apr 28 9332.7 13 42 39 18 20 19 32 5 49 7 01 9 14 19 32 18 45 ..... 98 15 24.2 -16 35
Wed Apr 28/Thu Apr 29 9333.7 13 46 35 18 19 19 31 5 49 7 02 9 17 19 37 19 31 ..... 94 16 26.4 -21 05
Thu Apr 29/Fri Apr 30 9334.7 13 50 32 18 18 19 31 5 50 7 03 9 20 19 41 20 24 ..... 86 17 30.5 -24 02
Fri Apr 30/Sat May 01 9335.7 13 54 28 18 17 19 30 5 50 7 03 9 24 19 46 21 21 ..... 77 18 34.8 -25 14