Gardening moon calendar – December 17, 2025

Royal Observatory (51°28′40″N 0°00′05″W GMT 0)

December 17, 2025

Scorpio

Moon 17 December
Waning Crescent
Illumination: 7%

Date: December 17, 2025

Day of the week: Wednesday

Moon age: 27, 28 lunar day(-s)

Moonrise: ↑ 5:52 am

Moonset:   ↓ 1:34 pm

Moon Sign: Scorpio ♏ and Sagittarius ♐ (from 4:55 pm)

Element: Water | Fire

Moon phase: Waning Crescent

Plant part: Leaf Days | Fruit Days

27 lunar day – until 5:52 am
28 lunar day – from 5:52 am

Moon position on December 17, 2025

On December 17 at 12:00 pm the Moon will be in the Waning Crescent phase in the zodiacal constellation of Scorpio ♏, according to the calendar it is the 28 lunar day. The percentage of lunar illumination on this day is about 7%. Moonrise will occur at 5:52 am and sunset at 1:34 pm.

Influence and characteristics of the Moon on December 17, 2025

At midday, the Moon is in the Scorpio ♏ (+).

A very fertile sign, second only to Cancer in strength. But unlike the latter, plants planted during these days have a stronger stem, and the fruits collected from them are perfectly stored and can be used to obtain quality seeds. When the moon is in Scorpio, soaking and sowing seeds, grafting, watering and feeding plants are favourable. Do not do work such as transplanting, root division, deep loosening and weeding, pruning and pinching.

The middle of the day falls on the 28 lunar day (±).

Fertilise the soil, feed the plants, sow crops that produce underground. Refrain from pruning and especially from uprooting bushes and trees. Watering on this day should be moderate. Try not to traumatise the roots.

Current phase – Waning Crescent (±).

The moon is waning, which means that the active energy is beginning to flow into the lower part of the plants. This is a good time to sow crops that produce underground. The high sensitivity of the roots at this time imposes certain restrictions on careless manipulation with them. Pest control, weeding, thinning out of seedlings, pruning of shoots and whiskers, fertilisation with organic substances can be carried out strictly under the roots. It is a good time to harvest, as the fruit will keep longer.

Influence of the day of the week – Wednesday (+).

Wednesday is ruled by Mercury. It is considered a good day for any work on the property. It is even possible to make a small margin for the second half of the week.

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