Delta Glass is closed on the following day's :

• Christmas vacation 22 December 2024 until 29 december 2024
• New years day 1 january 2025
• Eastern monday 21 april 2025
• Ascension Day 29 & 30 may 2025
• Pentecost Monday  9 june 2025
• Summer vacation 26 july until 11 august 2025
• Christmas vacation 20 dec until 28 december 2025