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The Moon

Moon phase today

Today, 5 October 2026, the Moon is waning and 27% illuminated, in Leo. Below: the Moon right now, where it is day and night, and a moon calendar for the whole month.

Theoria Lunae

The sky now

Calculated for 5 October 2026 at 18:48. Enable JavaScript to see the sky live.

The Moon

27%

illuminated

Waning crescent

  • Now waning, 24.6 days old
  • Moon in Leo 10°24′
  • Next new moon 10 October at 17:50 (in 5 days)
  • Next full moon 26 October at 05:11 (in 20.5 days)

Day and night on Earth

day twilight night · Sun above 4.9° S · Moon above

Why do you see this phase?

SunEarthnow
The Moon orbits the Earth in a month. Sunlight always lights half of it; what you see of that half depends on where the Moon is. Not to scale.

For your place

Moonrise and sunrise for your place need JavaScript. The sky above applies to the whole Earth.

Times in Europe/Amsterdam.

Tide · Dutch coast

Aestus Maris

The tide now · Hoek van Holland

HIGH WATERLOW WATERFLOOD ↑EBB ↓

The water is rising (flood tide)high water at 23:29, in 4 h 40 min

High and low water

  • High water23:29in 4 h 40 minMonday 5 October · +1.00 m NAP
  • Low water07:14in 12 h 25 minTuesday 6 October · -0.32 m NAP
  • High water12:18in 17 h 29 minTuesday 6 October · +0.72 m NAP
  • Low water19:32in 24 h 43 minTuesday 6 October · -0.49 m NAP

Times in Dutch time (summer time where it applies). Heights in metres relative to NAP, the Amsterdam Ordnance Datum (Normaal Amsterdams Peil).

The next 24 hours

18:0021:0000:0003:0006:0009:0012:0015:00nowLW 16:21HW 23:29LW 07:14HW 12:18
18:0000:0006:0012:00nowLW 16:21HW 23:29LW 07:14HW 12:18

Spring and neap tides

spring tide neap tide lighter = days after the Moon phase · tidal range in cm

1544149512161687186819592001020011195121771318814180151761616617147181331913520
1544149512161687186819592001020011195121771318814180151761616617147181331913520
Next neap tideTuesday 6 Octobertidal range 121 cm · Last quarter on 3 October at 15:25, the water follows 0 to 4 days later
Next spring tideSaturday 10 Octobertidal range 200 cm · New moon on 10 October at 17:49, the water follows 0 to 4 days later

At new and full moon the Sun, Earth and Moon line up and their pull adds together: the water rises higher and falls lower. That is a spring tide. At first and last quarter the Sun and Moon pull at right angles and work against each other: the difference between high and low water stays small. That is a neap tide. The water reacts with a delay: on our coast the spring tide follows the Moon phase by two to three days on average, sometimes after one day, sometimes only after four or five (the Moon's distance plays a part). That is why the meter shows the actual tidal range per day for this station: our calculation engine gives the Moon phase, and the Rijkswaterstaat forecast points to the day.

Today at all stations

StationHigh waterLow water
Den Helder02:03 · 15:1608:59 · 20:58
Harlingen04:20 · 17:4511:50
IJmuiden11:4006:36 · 18:59
Hoek van Holland10:42 · 23:2904:14 · 16:21
Vlissingen09:50 · 22:3903:29 · 16:21

Hoorn

Hoorn lay on the Zuiderzee for centuries and had tides of its own. Since the Zuiderzee was closed off by the Afsluitdijk (1932) the tide there has disappeared. Hoorn now lies on the Markermeer, which was separated from the IJsselmeer by the Houtribdijk in 1976: the water there only rises and falls with wind and water-level management, not with the Moon. That is why Hoorn is not in the list.

Not suitable for navigation; use official sources. This is a prediction from the Sun and Moon (astronomical tide). Wind, air pressure and river discharge can change the actual water level by decimetres to metres.

Source: Rijkswaterstaat, WaterWebservices, astronomical tide (open data, CC0). Moon phases: our own calculation with JPL DE440. Forecast fetched in advance; last updated 5 October.

The eight moon phases

  • New Moon
  • Waxing crescent
  • First quarter
  • Waxing gibbous
  • Full Moon
  • Waning gibbous
  • Last quarter
  • Waning crescent

A lunar cycle lasts 29.5 days on average. Waxing means the lit side is growing (lit on the right in the northern hemisphere); waning means it is shrinking (lit on the left).

Moon calendar October 2026

  1. 173%
  2. 262%
  3. 351%Last quarter
  4. 439%
  5. 529%
  6. 619%
  7. 711%
  8. 85%
  9. 92%
  10. 100%New moon
  11. 111%
  12. 124%
  13. 138%
  14. 1414%
  15. 1522%
  16. 1630%
  17. 1739%
  18. 1848%First quarter
  19. 1958%
  20. 2067%
  21. 2176%
  22. 2284%
  23. 2391%
  24. 2496%
  25. 2599%
  26. 26100%Full moon
  27. 2798%
  28. 2893%
  29. 2985%
  30. 3076%
  31. 3165%
  • Last quarter 3 October at 13:25 UTC
  • New moon 10 October at 15:50 UTC
  • First quarter 18 October at 16:12 UTC
  • Full moon 26 October at 04:11 UTC

For each day the Moon at 12:00 UTC with the percentage illuminated; the main phases with the exact moment. A pre-calculated page for every month, fully visible without JavaScript.

How we calculate this

The positions of the Sun and Moon are calculated astronomically (JPL DE440). The phase follows from the angle between Moon and Sun; the percentage is the lit part of the Moon's disc. The interpretation of a moon phase in the Western astrological tradition is not a scientific prediction.