Opening hours
Office hours
Please note that you need to make an appointment to enter the Institute. To make an appointment you can email us on info@nvic.leidenuniv.nl.
Official Holidays in 2026
The institute will be closed from Tuesday 23 December 2025 up until and including Saturday, 3 January 2026.
January
| 1 | New Year | العام الجديد | Thursday |
| 7 | Coptic Christmas | عيد الميلاد المجيد | Wednesday |
| 25 | 25 January Revolution day | ثورة 25 يناير | Sunday |
March
| *20-22 | Eid el-Fitr | عيد الفطر | Friday/Sunday |
April
| 12-13 | Coptic Easter+Sham el-Nessim | عيد القيامة +شم النسيم للأقباط | Sun/Mon |
| 25 | Sinai Liberation day | عيد تحريرسيناء | Saturday |
| 27 | King's day | عيد ميلاد الملك | Monday |
May
| 1 | Labour day | عيد العمال | Friday |
| *27-30 | Eid el Adha | عيد الأضحى | Wed/Sat |
June
| *16 | Islamic New Year | رأس السنة الهجرية | Tuesday |
| 30 | 30th June Revolution | ثورة ٣٠ يونيو | Tuesday |
July
| 11 | Flemish Community day | اليوم الفلمنكي | Saturday |
| 26 | Revolution day (national day) | ثورة يوليو (اليوم الوطني) | Sunday |
August
| *26 | Birthday of the Prophet | المولد النبوي الشريف | Wednesday |
October
| 6 | Victory day | نصر اكتوبر | Tuesday |
December
| 25 | Christmas | عيد الميلاد | Friday |
The institute will be closed from Thursday 24 December 2026
up until and including Saturday, 2 January 2027.
* Islamic holidays are subject to change
الاعياد الاسلامية عرضة للتغير حسب مواقع الهلال
*Official holidays depend on last-minute decisions of the government. So, this list is subject to change.
الاعياد الرسمية تعتمد على قرارات الحكومة. لذلك، هذه القائمة عرضة للتغيير.