Moon watching tips for Mid-Autumn Festival 2021
7 September 2021
The Mid-Autumn Festival this year falls on September 21 (Tuesday) and the full moon (Note) will occur in that morning. If weather permits, a bright and clear moon will be observable at night during the Mid-Autumn Festival period.
To facilitate moon watching by the public, the times of moonrise, transit, moonset and full moon during the Mid-Autumn Festival period are listed in the table below. At transit, the Moon passes the local meridian due south and its elevation is the highest of the night.
|September 20 (Monday) – the eve of the Mid-Autumn Festival|
|Transit (Elevation 61 degrees)||0.10am (next morning)|
|Moonset||6.11am (next morning)|
|September 21 (Tuesday) – the Mid-Autumn Festival|
|Full Moon (The Moon is below the horizon of Hong Kong at this moment)||7.55am|
|Transit (Elevation 66 degrees)||0.54am (next morning)|
|Moonset||7.05am (next morning)|
|September 22 (Wednesday) – the day following the Mid-Autumn Festival|
|Transit (Elevation 72 degrees)||1.36am (next morning)|
|Moonset||7.56am (next morning)|
For the latest weather conditions during the Mid-Autumn Festival period, please refer to the 9-Day Weather Forecast issued by the Hong Kong Observatory for the planning of moon-watching activities.
Note: At full moon, the Moon as seen from the Earth is completely illuminated with the Moon and the Sun located on the opposite sides of the Earth.