Public holidays in Serbia:

• January 1st and 2nd, New Year's Day
• January 7th, Julian Orthodox Christmas
• February 15th and 16th, Serbia National Day
• Varies, Orthodox Good Friday
• Varies, Orthodox Easter Monday
• May 1st and 2nd, International Workers' Day
• November 11th, Armistice Day

If one of the non-religious holidays falls on a Sunday, then the next working day is a non-working day.

Public holidays in Switzerland:

• January 1st and 2nd, New Year's Day (2 days)
• Friday before Easter (Karfreitag - 1 day)
• Monday after Easter (Ostermontag - 1 day)
• 39 days after Easter (Auffahrt - 1 day)
• 50 days after Easter (Pfingstmontag - 1 day)
• August 1st, National day of Switzerland (1 day)
• December 25th and 26th, Christmas (2 days)