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Hertford Castle

Hertford Castle

Water Lane, Hertford, Hertfordshire, SG14 1HR, East of England

Best time to visit

Hertford Castle is a private location and is only accessible out of normal hours for stargazing by prior arrangement or when public events are scheduled.

Weather forecast

  • 21/05/25

    11° 0%

  • 22/05/25

    6° 0%

Weather forecast for Hertford (0.0 miles away) updated 20/05/25 at 20:00.

Local light pollution

Hertford Castle is estimated to have light pollution levels similar to asuburban suburban location based on the latest data from the VIIRS satellite.

The above demonstrates the estimated effect of light pollution - graphics created using Stellarium.

Light pollution map of Hertford Castle

Best time to visit

The Moon has a big impact on the visibility of celestial bodies in the night sky. Try to plan your stargazing when there is no bright Moon at night as this is when the skies will be at their darkest.

The below chart shows when the skies will be at their darkest at this location and therefore the best time to visit. Moonlight is shown in light yellow and the Sun's twilight in light blue. Midnight on the date shown is shown as a white line with sunset to the left and sunrise the next morning to the right. A black background with stars shows the best times for stargazing. See our dark sky calendar for more details.

Moon phase on Wed 21st May

Wed 21st May

Third Quarter
45 % illuminated
Dark from 21:40 to 01:49
Dark for 4h 8m
Moon phase on Thu 22nd May

Thu 22nd May

Third Quarter
34 % illuminated
Dark from 21:42 to 02:01
Dark for 4h 18m
Moon phase on Fri 23rd May

Fri 23rd May

Waning Crescent
23 % illuminated
Dark from 21:45 to 02:06
Dark for 4h 20m
Moon phase on Sat 24th May

Sat 24th May

Waning Crescent
14 % illuminated
Dark from 21:47 to 02:04
Dark for 4h 16m
Moon phase on Sun 25th May

Sun 25th May

Waning Crescent
7 % illuminated
Dark from 21:49 to 02:02
Dark for 4h 12m
Moon phase on Mon 26th May

Mon 26th May

New Moon
2 % illuminated
Dark from 21:51 to 02:00
Dark for 4h 8m
Moon phase on Tue 27th May

Tue 27th May

New Moon
0 % illuminated
Dark from 21:54 to 01:58
Dark for 4h 3m

Find more dates

If you are planning to visit this location check our dark sky calendar to find out when is best!

Calendar

Events nearby

Display nearby events on a calendar

  • Havering Astronomical Society meeting and observing

    Wednesday 21st May 2025 from 19:15pm to 21:00pm

    Thames Chase Forest Centre, Upminster, RM14 3NS (22.9 miles away)

    More info

  • Thaxted Astronomical Society club meeting

    Wednesday 21st May 2025 from 20:00pm to 22:00pm

    The Swan - Thaxted, Thaxted, CM6 2PL (21.1 miles away)

    More info

  • Wycombe Astronomical Society meeting

    Wednesday 21st May 2025 from 20:00pm to 22:00pm

    Coleshill Village Hall, Coleshill, HP7 0LN (25.7 miles away)

    More info

  • Croydon Astronomical Society meeting

    Thursday 22nd May 2025 from 19:30pm to 21:00pm

    Trinity School - Croydon, Croydon, CR9 7AT (29.1 miles away)

    More info

  • Informal observing evening with Crayford Manor Astronomical Society

    Thursday 22nd May 2025 from 19:45pm to 21:30pm

    The Parsonage Lane Pavilion and Observatory, Dartford, DA4 9HD (29.5 miles away)

    More info

Stay and gaze nearby

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