Public holiday in Iceland

First Day of Summer in Iceland

First Day of Summer is listed as a public holiday in Iceland. Use the dates below to plan ahead and check whether an observed or substitute day applies.

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Thursday

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First Day of Summer dates

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DateDaySubstitute day
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First Day of Summer in Iceland

Sumardagurinn fyrsti, or the First Day of Summer, opens Harpa, the first of six summer months in the old Icelandic calendar. It is also a public holiday in Iceland, observed on the first Thursday after April 18.[1][3]

A public holiday and its workday rules

Alþýðusamband Íslands (ASÍ), Iceland’s trade union confederation, lists the First Day of Summer among the country’s public holidays. Under ASÍ’s guidance, employees hired for daytime work are generally not required to work on public holidays unless they agree to do so; when the holiday falls on a weekday, the guidance describes normal daytime pay for eight hours, subject to stated eligibility conditions.[1]

A Thursday holiday may be moved to the next working day, or connected to another holiday, if the employer and workers agree under a collective-agreement provision. This is an arrangement that must be agreed; it is not an automatic substitute day.[2]

The old calendar and the turn toward summer

The date follows Iceland’s old seasonal calendar rather than the weather. The First Day of Summer begins Harpa and the summer half of the year, whether or not spring warmth has arrived. The Árni Magnússon Institute for Icelandic Studies notes that before the calendar was adjusted around 1700, the day fell earlier in April; in the current calendar it is the first Thursday after April 18.[3]

The day is mentioned in early Icelandic texts, including the medieval lawbook Grágás and the Prose Edda. Its traditional meaning is the seasonal boundary between winter and summer, not a claim that Iceland’s climate has become warm by late April.[3]

Customs and local celebrations

Icelandic folklore holds that a good summer will follow if “summer and winter freeze together,” meaning frost occurs around the holiday. The City of Reykjavík’s guide to Icelandic celebrations also says municipalities increasingly hold festivals for children and families on the day.[4]

Celebrations are organized locally, so the programme can differ from town to town. There is no single nationwide ceremony, traditional meal, or uniform gift-giving custom for this holiday.[4]

What visitors should expect

The public-holiday classification affects daytime work, but it does not by itself confirm whether a particular bank, shop, office, restaurant, or transport service will operate. ASÍ’s guidance also allows work on the holiday by agreement and explains pay treatment, so arrangements depend on the job and applicable collective agreement.[1][2]

If you need a specific service, check its own holiday hours and transport timetable before setting out. Collective agreements can permit an agreed transfer of a Thursday holiday.[2]

Frequently asked questions

When is the First Day of Summer in Iceland?

It is the first Thursday after April 18, opening the month of Harpa in the old Icelandic calendar.[3]

Is it a day off work?

ASÍ classifies it as a public holiday. Its guidance generally exempts daytime workers from working that day unless they agree otherwise, with pay provisions and eligibility conditions described by ASÍ.[1]

Is there an automatic substitute day for the First Day of Summer?

There is no automatic substitute day. Employers and workers may agree under a collective-agreement provision to transfer the holiday to the next working day or connect it to another holiday.[2]

Are shops, banks, and public transport closed?

Shops, banks and transport operators set their own holiday hours, so check with them before travelling.

What happens on the holiday?

Municipalities increasingly hold festivals for children and families, and Icelandic folklore associates frost around the holiday with a good summer.[4]

Sources and references

Sources used for First Day of Summer in Iceland:

  1. Public holidays- Alþýðusamband Íslands (ASÍ)
  2. Transfer of public holidays- Alþýðusamband Íslands (ASÍ)
  3. sumardagurinn fyrsti- Árni Magnússon Institute for Icelandic Studies
  4. Tyllidagar: Explanations of Icelandic days of celebration and customs- City of Reykjavík