Source-backedRule Based Annual

Geologist Day

Kazan Federal University describes Russian Geologist Day as occurring on the first Sunday in April, supporting a deterministic annual rule within the Russian professional context.

Date / ruleFirst Sunday in April
ScopeRussia / geology profession
VerificationUniversity Institution Recurring Rule Verified
PortabilityRule Based Annual
Evidence statusSource-backed
Last authority check2026-09-09
Target-year policyCalculate Rule
Next date this engine can safely resolveSunday, April 4, 2027See everything on April 4 →
Authority summary

What is Geologist Day?

Kazan Federal University describes Russian Geologist Day as occurring on the first Sunday in April, supporting a deterministic annual rule within the Russian professional context.

Date and recurrence

First Sunday in April

This observance follows a reusable calendar rule rather than one fixed Gregorian date. The actual date can move from year to year. Rule: First Sunday in April

Scope and status

The verified scope stored for this record is Russia / geology profession. The site preserves that boundary and does not infer broader government, global or public-holiday status from the observance name alone.

Classification

Topic and context

Workplace, Professions & Appreciation →
Accuracy controls

What this page does not assume

  • Keep the source-defined country, community, organizer or institutional scope; do not silently broaden it.
  • Do not treat the title alone as proof of government recognition or public-holiday status.
  • Do not add a creator, founding story or origin claim unless the supporting evidence establishes it.
Provenance

Sources

Source policy →
  1. Kazan Federal University — Russian Geologist DayUniversity Institution
Reader questions

Frequently asked questions

When is Geologist Day?

First Sunday in April The stored recurrence guidance is: First Sunday in April.

Does Geologist Day fall on the same date every year?

It follows a recurring calendar rule, so the Gregorian date can change from year to year.

Is Geologist Day an official public holiday?

The authority record verifies it within this scope: Russia / geology profession. That recognition does not by itself make it a statutory public holiday; the site only makes public-holiday claims when the supporting authority record explicitly does so.

Who established or recognizes Geologist Day?

The stored designation basis is: Kazan Federal University describes Russian Geologist Day as occurring on the first Sunday in April, supporting a deterministic annual rule within the Russian professional context.. Supporting provenance includes Kazan Federal University — Russian Geologist Day. The site does not infer a separate creator or founder unless reviewed evidence establishes one.

Is Geologist Day international or country-specific?

This authority record is country-scoped to Russia. Its fuller verified scope is: Russia / geology profession.

How is this page verified?

The factual layer is source-backed and keeps its date rule, scope, provenance and editorial guardrails attached to the authority record. This record was checked on 2026-09-09.

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