Special opening hours at Hamina libraries on May Day 2026
- Main Library: on May Day Eve, Thursday 30.4.26, customer service 10 am-14 pm (self-service 8 am-10 am), closed 1.-3.5.26
- Ruissalo: on May Day Eve, Thursday 30.4.26 customer service 10 am-14 pm (self-service 7 am-7 pm), 1.-3.5.26 self-service 19 am-16 pm
- Library van Päivänsäde will not operate from 29.4.-1.5.26