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Lunar Standstills — 1920s

Astronomy Moon Lunar Standstill 1920s
Table of Contents

1920s
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Standstill Extremes
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Northern Hemisphere

EventTimeDeclinationMoon Ecliptic LongitudeMoon Phase
Northern Maximum23 October 1929, 13:41:36.792 UTC+27.5179°96.13°Waning Gibbous70.0% illuminatedAge: 20 days 15 hours 22 minutes 43.912 seconds
Northern Minimum15 September 1922, 00:21:31.280 UTC+18.1523°88.43°Last Quarter44.0% illuminatedAge: 23 days 3 hours 48 minutes 16.186 seconds

Southern Hemisphere

EventTimeDeclinationMoon Ecliptic LongitudeMoon Phase
Southern Maximum6 November 1929, 03:45:02.860 UTC-27.5275°275.88°Waxing Crescent19.8% illuminatedAge: 4 days 15 hours 44 minutes 34.027 seconds
Southern Minimum27 September 1922, 13:00:57.597 UTC-18.1490°268.78°Waxing Crescent45.9% illuminatedAge: 6 days 8 hours 23 minutes 18.827 seconds

1920
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Minor Standstill Year

Northern Hemisphere

EventTimeDeclinationMoon Ecliptic LongitudeMoon Phase
Peak Northern Standstill4 January, 03:06:57.152 UTC+20.9038°77.96°Waxing Gibbous95.5% illuminatedAge: 12 days 16 hours 12 minutes 21.714 seconds
Minimum Northern Standstill30 October, 18:37:11.498 UTC+19.5150°79.74°Full Moon86.7% illuminatedAge: 18 days 17 hours 47 minutes 15.123 seconds

Southern Hemisphere

EventTimeDeclinationMoon Ecliptic LongitudeMoon Phase
Peak Southern Standstill17 January, 18:16:43.461 UTC-20.8555°257.96°Waning Crescent10.9% illuminatedAge: 26 days 7 hours 22 minutes 8.023 seconds
Minimum Southern Standstill16 October, 22:56:32.730 UTC-19.5242°259.90°Waxing Crescent22.6% illuminatedAge: 4 days 22 hours 6 minutes 36.355 seconds

Moon Declination Chart — 1920

-28°-23°-18°0°+18°+23°+28°JanFebMarAprMayJunJulAugSepOctNovDec▲ Northern Maximum△ Northern Minimum▼ Southern Maximum▽ Southern Minimum● Monthly Standstill× Equator Crossing▲△▼▽●●●●●●●●●●●●●●●●●●●●●●●×××××××××××××××××××××××××××Declination (°)Day of YearTap or click markers to see details

1921
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Minor Standstill Year

Northern Hemisphere

EventTimeDeclinationMoon Ecliptic LongitudeMoon Phase
Peak Northern Standstill21 January, 04:15:06.885 UTC+19.4391°81.07°Waxing Gibbous88.5% illuminatedAge: 11 days 22 hours 49 minutes 2.65 seconds
Minimum Northern Standstill21 October, 13:34:20.132 UTC+18.5375°83.74°Waning Gibbous77.9% illuminatedAge: 20 days 1 hour 8 minutes 39.112 seconds

Southern Hemisphere

EventTimeDeclinationMoon Ecliptic LongitudeMoon Phase
Peak Southern Standstill6 January, 21:35:55.846 UTC-19.5337°260.81°Waning Crescent4.9% illuminatedAge: 27 days 11 hours 32 minutes 44.685 seconds
Minimum Southern Standstill7 October, 02:49:41.409 UTC-18.5297°263.82°Waxing Crescent33.5% illuminatedAge: 5 days 14 hours 24 minutes 0.39 seconds

Moon Declination Chart — 1921

-28°-23°-18°0°+18°+23°+28°JanFebMarAprMayJunJulAugSepOctNovDec▲ Northern Maximum△ Northern Minimum▼ Southern Maximum▽ Southern Minimum● Monthly Standstill× Equator Crossing▲△▼▽●●●●●●●●●●●●●●●●●●●●●●●××××××××××××××××××××××××××Declination (°)Day of YearTap or click markers to see details

1922
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Minor Standstill Year

Northern Hemisphere

EventTimeDeclinationMoon Ecliptic LongitudeMoon Phase
Peak Northern Standstill11 January, 18:22:34.643 UTC+18.6158°85.54°Waxing Gibbous95.1% illuminatedAge: 13 days 12 hours 43 minutes 49.138 seconds
Minimum Northern Standstill15 September, 00:21:31.280 UTC+18.1523°88.43°Last Quarter44.0% illuminatedAge: 23 days 3 hours 48 minutes 16.186 seconds

Southern Hemisphere

EventTimeDeclinationMoon Ecliptic LongitudeMoon Phase
Peak Southern Standstill24 January, 13:54:59.103 UTC-18.5599°265.57°Waning Crescent10.9% illuminatedAge: 26 days 8 hours 16 minutes 13.598 seconds
Minimum Southern Standstill27 September, 13:00:57.597 UTC-18.1490°268.78°Waxing Crescent45.9% illuminatedAge: 6 days 8 hours 23 minutes 18.827 seconds

Moon Declination Chart — 1922

-28°-23°-18°0°+18°+23°+28°JanFebMarAprMayJunJulAugSepOctNovDec▲ Northern Maximum△ Northern Minimum▼ Southern Maximum▽ Southern Minimum● Monthly Standstill× Equator Crossing▲△▼▽●●●●●●●●●●●●●●●●●●●●●●×××××××××××××××××××××××××××Declination (°)Day of YearTap or click markers to see details

1923
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Minor Standstill Year

Northern Hemisphere

EventTimeDeclinationMoon Ecliptic LongitudeMoon Phase
Peak Northern Standstill23 December, 16:43:12.306 UTC+18.9808°95.14°Full Moon99.7% illuminatedAge: 15 days 15 hours 13 minutes 14.802 seconds
Minimum Northern Standstill26 February, 03:39:37.933 UTC+18.2378°91.47°First Quarter71.1% illuminatedAge: 10 days 8 hours 32 minutes 57.812 seconds

Southern Hemisphere

EventTimeDeclinationMoon Ecliptic LongitudeMoon Phase
Peak Southern Standstill9 December, 09:32:19.439 UTC-18.9413°274.98°New Moon2.8% illuminatedAge: 1 day 8 hours 2 minutes 21.934 seconds
Minimum Southern Standstill10 March, 17:25:24.121 UTC-18.2204°271.04°Last Quarter39.9% illuminatedAge: 22 days 22 hours 18 minutes 44.001 seconds

Moon Declination Chart — 1923

-28°-23°-18°0°+18°+23°+28°JanFebMarAprMayJunJulAugSepOctNovDec▲ Northern Maximum△ Northern Minimum▼ Southern Maximum▽ Southern Minimum● Monthly Standstill× Equator Crossing▲△▼▽●●●●●●●●●●●●●●●●●●●●●●●×××××××××××××××××××××××××××Declination (°)Day of YearTap or click markers to see details

1924
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Minor Standstill Year

Northern Hemisphere

EventTimeDeclinationMoon Ecliptic LongitudeMoon Phase
Peak Northern Standstill12 December, 22:53:44.958 UTC+20.0787°98.64°Full Moon97.5% illuminatedAge: 16 days 5 hours 38 minutes 45.152 seconds
Minimum Northern Standstill16 February, 09:49:22.023 UTC+18.8747°95.75°First Quarter81.6% illuminatedAge: 11 days 8 hours 11 minutes 28.563 seconds

Southern Hemisphere

EventTimeDeclinationMoon Ecliptic LongitudeMoon Phase
Peak Southern Standstill26 December, 11:32:15.370 UTC-20.0834°279.09°New Moon0.2% illuminatedAge: 7 hours 46 minutes 57.282 seconds
Minimum Southern Standstill29 February, 13:19:38.798 UTC-18.8732°275.90°Last Quarter28.1% illuminatedAge: 24 days 11 hours 41 minutes 45.338 seconds

Moon Declination Chart — 1924

-28°-23°-18°0°+18°+23°+28°JanFebMarAprMayJunJulAugSepOctNovDec▲ Northern Maximum△ Northern Minimum▼ Southern Maximum▽ Southern Minimum● Monthly Standstill× Equator Crossing▲△▼▽●●●●●●●●●●●●●●●●●●●●●●●××××××××××××××××××××××××××Declination (°)Day of YearTap or click markers to see details

1925
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Minor Standstill Year

Northern Hemisphere

EventTimeDeclinationMoon Ecliptic LongitudeMoon Phase
Peak Northern Standstill30 December, 08:18:26.131 UTC+21.5868°101.03°Full Moon99.9% illuminatedAge: 14 days 13 hours 13 minutes 56.945 seconds
Minimum Northern Standstill5 February, 12:49:56.194 UTC+20.0529°99.18°Waxing Gibbous89.9% illuminatedAge: 11 days 22 hours 5 minutes 21.866 seconds

Southern Hemisphere

EventTimeDeclinationMoon Ecliptic LongitudeMoon Phase
Peak Southern Standstill16 December, 23:41:38.530 UTC-21.5758°280.93°New Moon2.1% illuminatedAge: 1 day 4 hours 37 minutes 9.344 seconds
Minimum Southern Standstill22 January, 23:09:12.787 UTC-20.0611°279.27°Waning Crescent4.1% illuminatedAge: 27 days 19 hours 23 minutes 54.699 seconds

Moon Declination Chart — 1925

-28°-23°-18°0°+18°+23°+28°JanFebMarAprMayJunJulAugSepOctNovDec▲ Northern Maximum△ Northern Minimum▼ Southern Maximum▽ Southern Minimum● Monthly Standstill× Equator Crossing▲△▼▽●●●●●●●●●●●●●●●●●●●●●●●×××××××××××××××××××××××××××Declination (°)Day of YearTap or click markers to see details

1926
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Minor Standstill Year

Northern Hemisphere

EventTimeDeclinationMoon Ecliptic LongitudeMoon Phase
Peak Northern Standstill20 December, 08:29:41.408 UTC+23.2599°100.99°Full Moon98.7% illuminatedAge: 15 days 2 hours 18 minutes 33.578 seconds
Minimum Northern Standstill26 January, 14:44:46.051 UTC+21.5735°101.12°Waxing Gibbous95.4% illuminatedAge: 12 days 8 hours 10 minutes 32.267 seconds

Southern Hemisphere

EventTimeDeclinationMoon Ecliptic LongitudeMoon Phase
Peak Southern Standstill7 December, 09:14:14.811 UTC-23.2500°280.98°New Moon5.3% illuminatedAge: 2 days 3 hours 3 minutes 6.981 seconds
Minimum Southern Standstill13 January, 11:14:32.282 UTC-21.5750°281.23°Waning Crescent1.0% illuminatedAge: 28 days 16 hours 10 minutes 3.096 seconds

Moon Declination Chart — 1926

-28°-23°-18°0°+18°+23°+28°JanFebMarAprMayJunJulAugSepOctNovDec▲ Northern Maximum△ Northern Minimum▼ Southern Maximum▽ Southern Minimum● Monthly Standstill× Equator Crossing▲△▼▽●●●●●●●●●●●●●●●●●●●●●●×××××××××××××××××××××××××××Declination (°)Day of YearTap or click markers to see details

1927
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Major Standstill Year

Northern Hemisphere

EventTimeDeclinationMoon Ecliptic LongitudeMoon Phase
Peak Northern Standstill10 December, 10:04:27.907 UTC+24.9135°100.07°Full Moon96.1% illuminatedAge: 15 days 23 hours 55 minutes 40.135 seconds
Minimum Northern Standstill16 January, 17:11:20.557 UTC+23.2523°101.38°Waxing Gibbous98.5% illuminatedAge: 12 days 20 hours 43 minutes 51.961 seconds

Southern Hemisphere

EventTimeDeclinationMoon Ecliptic LongitudeMoon Phase
Peak Southern Standstill27 November, 14:50:43.780 UTC-24.9088°280.29°New Moon9.6% illuminatedAge: 3 days 4 hours 41 minutes 56.008 seconds
Minimum Southern Standstill3 January, 18:16:36.387 UTC-23.2533°281.22°Waning Crescent0.0% illuminatedAge: 29 days 12 hours 5 minutes 28.558 seconds

Moon Declination Chart — 1927

-28°-23°-18°0°+18°+23°+28°JanFebMarAprMayJunJulAugSepOctNovDec▲ Northern Maximum△ Northern Minimum▼ Southern Maximum▽ Southern Minimum● Monthly Standstill× Equator Crossing▲△▼▽●●●●●●●●●●●●●●●●●●●●●●●×××××××××××××××××××××××××××Declination (°)Day of YearTap or click markers to see details

1928
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Major Standstill Year

Northern Hemisphere

EventTimeDeclinationMoon Ecliptic LongitudeMoon Phase
Peak Northern Standstill29 November, 13:56:52.311 UTC+26.3668°98.27°Full Moon92.8% illuminatedAge: 17 days 4 hours 21 minutes 56.634 seconds
Minimum Northern Standstill6 January, 20:12:26.960 UTC+24.8982°99.89°Waxing Gibbous99.8% illuminatedAge: 13 days 15 hours 59 minutes 35.214 seconds

Southern Hemisphere

EventTimeDeclinationMoon Ecliptic LongitudeMoon Phase
Peak Southern Standstill16 November, 12:11:36.235 UTC-26.3695°278.28°New Moon14.4% illuminatedAge: 4 days 2 hours 36 minutes 40.558 seconds
Minimum Southern Standstill21 January, 04:15:10.146 UTC-24.9090°279.76°Waning Crescent3.1% illuminatedAge: 28 days 2 minutes 18.4 seconds

Moon Declination Chart — 1928

-28°-23°-18°0°+18°+23°+28°JanFebMarAprMayJunJulAugSepOctNovDec▲ Northern Maximum△ Northern Minimum▼ Southern Maximum▽ Southern Minimum● Monthly Standstill× Equator Crossing▲△▼▽●●●●●●●●●●●●●●●●●●●●●●●××××××××××××××××××××××××××Declination (°)Day of YearTap or click markers to see details

1929
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Major Standstill Year

Northern Hemisphere

EventTimeDeclinationMoon Ecliptic LongitudeMoon Phase
Peak Northern Standstill23 October, 13:41:36.792 UTC+27.5179°96.13°Waning Gibbous70.0% illuminatedAge: 20 days 15 hours 22 minutes 43.912 seconds
Minimum Northern Standstill23 January, 11:56:30.821 UTC+26.3690°98.10°Waxing Gibbous95.3% illuminatedAge: 12 days 11 hours 28 minutes 41.104 seconds

Southern Hemisphere

EventTimeDeclinationMoon Ecliptic LongitudeMoon Phase
Peak Southern Standstill6 November, 03:45:02.860 UTC-27.5275°275.88°Waxing Crescent19.8% illuminatedAge: 4 days 15 hours 44 minutes 34.027 seconds
Minimum Southern Standstill10 January, 00:24:14.859 UTC-26.3246°278.24°Waning Crescent1.0% illuminatedAge: 28 days 19 hours 18 minutes 34.484 seconds

Moon Declination Chart — 1929

-28°-23°-18°0°+18°+23°+28°JanFebMarAprMayJunJulAugSepOctNovDec▲ Northern Maximum△ Northern Minimum▼ Southern Maximum▽ Southern Minimum● Monthly Standstill× Equator Crossing▲△▼▽●●●●●●●●●●●●●●●●●●●●●●●×××××××××××××××××××××××××××Declination (°)Day of YearTap or click markers to see details

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Software & Data Information
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ComponentVersion / Details
Python3.14.4
Skyfield1.54
NumPy2.5.1
SciPy1.18.0
Ephemerisde442.bsp

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