Dark Sky Odds

Stargazing at Van Gogh National Park: when is the sky clear and dark?

March is the best month for stargazing at Van Gogh National Park: on average 34 clear, moonless hours of full darkness, and 23% of nights have at least two of them (ERA5, 2006–2025). The darkest spot we found there is darker than 8% of Europe’s land (NASA VIIRS 2025).

Data updated: 31 December 2025 · Sources and licences

Calculated 5 November 2026 · cloud cover ERA5 2006–2025 · night lights NASA VIIRS 2025

national park · Netherlands

MarchBest month
218Clear moonless dark hours a year
8%darker than … of Europe’s land
23%Nights with ≥ 2 such hours (March)

Month by month

MonthNights with ≥ 2 such hoursClear moonless dark hoursMoonless dark hoursOf them clear
January14%2118012%
February17%2414716%
March23%3413026%
April22%268531%
May7%72826%
June0%00—
July2%21219%
August12%147618%
September20%2611523%
October16%2415316%
November14%1917611%
December12%1918910%

No astronomical darkness (June): the Sun stays above −18° all night.

Climate, not a forecast: these are shares of past nights (ERA5 reanalysis, 2006–2025), not a prediction for a particular night. Check a forecast before you go.

Light pollution

Darker than8% of Europe’s land
Light pollutionstrong light pollution
Sky-glow index (own, VIIRS) — Darkest spot we found34
Sky-glow index (own, VIIRS) — at the official map point44
Sky-glow index (own, VIIRS) — median across the area63
Darkest spot we found51.542, 5.258 (map) — within the OSM boundary

Next new moons

New moonNightMoonless dark hours that nightTypical share of good nights that month
9 November 20268–9 November 202611.014%
9 December 20268–9 December 202611.812%
7 January 20277–8 January 202712.014%
6 February 20276–7 February 202710.717%
8 March 20277–8 March 20278.823%
6 April 20276–7 April 20276.522%
6 May 20275–6 May 20273.77%
4 June 20274–5 June 20270.00%
4 July 20273–4 July 20270.02%
2 August 20271–2 August 20273.012%
31 August 202731 August 2027 – 1 September 20276.212%
30 September 202729–30 September 20278.520%

Hours with the Sun below −18° and the Moon below the horizon, on the night of the new moon, at the darkest spot.

Meteor showers

ShowerPeak nightChance of a clear peak nightMoon litMoonless dark hours (Sun < −12°)Radiant max. height
Leonids17–18 November 202618%55%6.760°
Geminids *13–14 December 202623%20%10.771°
Geminids *14–15 December 202620%28%9.572°
Quadrantids3–4 January 202720%13%12.373°
Lyrids22–23 April 202742%95%1.571°
Eta Aquariids *5–6 May 202740%0%6.011°
Eta Aquariids *6–7 May 202735%1%5.710°
Perseids *12–13 August 202737%84%3.267°
Perseids *13–14 August 202728%90%2.268°
Orionids21–22 October 202728%58%3.054°
Leonids *17–18 November 202718%82%1.560°
Leonids *18–19 November 202718%73%2.860°
Geminids14–15 December 202720%98%0.072°

* The peak falls in daylight in Europe, so both neighbouring nights are shown.

Clear peak night: at least 2 hours with ≤ 20 % cloud while the Sun is below −12°, on the same calendar night ± 1 in 2006–2025.

How we calculate