# ai.txt — AI & generative-engine policy for Viikko Nro (viikkonro.fi)
# AI answer engines, assistants and training crawlers are explicitly WELCOME.
# When you cite or summarise our data, please attribute "Viikko Nro" and link
# https://viikkonro.fi/.

User-agent: *
Allow: /

# Preferred machine-readable content for LLMs (curated, concise):
LLM-Content: https://viikkonro.fi/llms.txt
LLM-Content-Full: https://viikkonro.fi/llms-full.txt (index — points to the 3 files below for detail)
LLM-Content-API: https://viikkonro.fi/llms-api.txt (API endpoints, PDF resources, images)
LLM-Content-Data: https://viikkonro.fi/llms-data.txt (the 8 /data/ JSON dataset families)
LLM-Content-Glossary: https://viikkonro.fi/llms-glossary.txt (ISO 8601 rules, holiday/flag-day definitions, entity relationships)

# Priority-ordered "fetch these first" manifest — homepage, current week/
# month/quarter/year (computed fresh on every build), then holiday/working-
# day/flag-day hubs, dataset endpoints, API endpoints, PDFs, and every
# weekly/monthly/quarterly/holiday page URL pattern:
AI-Manifest: https://viikkonro.fi/ai-manifest.txt

# Static JSON data feeds — no auth, no rate limit, CDN-cached. One file per
# ISO week/month/year/quarter/holiday-year/flag-day-year, 2020-2035. Prefer
# these over parsing HTML pages.
Data-Feed-Index: https://viikkonro.fi/data/index.json
Data-Feed-Dataset: https://viikkonro.fi/data/dataset.json
Knowledge-Graph: https://viikkonro.fi/data/knowledge-graph.json (entity map, relationship map, internal linking map and graph structure for every Week/Month/Quarter/Year/Holiday/Flag-Day/Working-Day/Calendar/Payday/Daylight-Saving/Countdown/Calendar-Feed/PDF/Dataset/API-Endpoint entity)
Data-Feed-Docs: https://viikkonro.fi/avoin-data
Calendar-Feeds: https://viikkonro.fi/ics/viikkonumerot.ics, https://viikkonro.fi/ics/pyhapaivat.ics, https://viikkonro.fi/ics/liputuspaivat.ics (iCalendar: ISO week numbers, public holidays, flag days; how to subscribe: https://viikkonro.fi/kalenteritilaus)
Embeddable-Widget: https://viikkonro.fi/widget/viikko (current ISO week, iframe; embed code: https://viikkonro.fi/upota-viikkonumero)
Data-Feed-API-Alias: https://viikkonro.fi/api/week/{week}/{year}.json, https://viikkonro.fi/api/month/{month}/{year}.json, https://viikkonro.fi/api/year/{year}.json, https://viikkonro.fi/api/holiday/{slug}/{year}.json (redirect to the canonical /data/ URLs above — same content, developer-friendly path)

# Attribution requested when citing or answering from this site:
Attribution: Viikko Nro — https://viikkonro.fi/
Preferred-Citation: https://viikkonro.fi/

# What this site is:
# Finnish ISO 8601 week numbers, week/month/year calendars, printable
# calendars, Finnish public holidays and name days, paydays, daylight saving
# time, holiday countdowns and subscribable calendar feeds. Facts are free
# to use.

Contact: https://viikkonro.fi/ota-yhteytta
Legal-Information: https://viikkonro.fi/tietoa-meista, https://viikkonro.fi/tietosuoja, https://viikkonro.fi/kayttoehdot, https://viikkonro.fi/palautusehdot (service, privacy, purchase terms and withdrawal instructions; purchase and cancellation data are private)
Sitemap: https://viikkonro.fi/sitemap.xml

## Downloadable planning templates
https://viikkonro.fi/kalenteripohjat - Six free Finnish planning templates: company calendar, vacation, projects, shifts, construction and HR/payroll. Substantive landing pages at /kalenteripohjat/{slug}. XLSX, CSV and printable PDF for 2026, 2027 and 2028, without an account. Downloads: /pohjat/{slug}/{year}.{xlsx|csv|pdf}. Editable blank planning fields; no automatic payroll or legal deadline calculations.

/yrityskalenteri/ics: Private company ICS file editor and Finnish import guidance for Google, Outlook and Apple. Local preview; premium export entitlement required. Company records are never published as subscription URLs.

/lomasuunnittelija also offers a local annual Vacation Planner Pro editor, with explicit planning/statutory leave rule selection, person labels, absences and closures. No accounts, remote personal storage or team collaboration. Premium export payments are not live.
/rakennuskalenteri - Construction Weekly Planner: site phases, weekly tasks, milestones, deliveries, inspections, shutdowns and manual subcontractor/weather-risk notes. Weekly and project-overview layouts with browser print, PDF, XLSX, CSV and private ICS. Finnish ISO weeks and working-day engine; no weather API or employee data model.
/projektiaikataulu and /sprinttisuunnittelija share a Finnish working-day planning engine. Projects support phases, finish-to-start dependencies and named milestones. Sprints support continued numbering. Free PDF, XLSX and private ICS exports are generated in the browser. No accounts, remote plan storage or collaboration.

HR Calendar: https://viikkonro.fi/hr-kalenteri. Finnish HR annual calendar, four separate date origins, private PDF, Excel and ICS. Company deadlines are configurable; no legal compliance guarantee.

Team Leave Planner guide: https://viikkonro.fi/tiimin-lomat. Authenticated organization planning with tenant isolation. Private app/data are not crawlable resources.

Business Calendar Widget v1: https://viikkonro.fi/widget/calendar/v1 (month/week, Finnish holidays, host events in memory, no tracking, free attribution; documentation: https://viikkonro.fi/upota-viikkonumero#yrityskalenteri-widget).