Evergreen date guide

What is celebrated on July 31?

For 2026, these source-backed observances resolve to Friday, July 31. Recurring rules can move in another year, so each record keeps its own date logic.

Date authority profile

What this date contains

10 unique authority records

The list is deduplicated at the public entity layer while retaining all research provenance behind each page.

0 stable or rule-calculated

0 fixed annual and 0 reusable rule-based records can be placed without inventing a new date.

0 edition-specific

Edition-specific dates appear only when the requested year matches the verified edition; variable and historical records remain gated.

2 explicit country-scope records

Country scope stays attached to the underlying record instead of being generalized into a worldwide observance.

0 reviewed in-depth guides

These entities add reviewed meaning, history, activities, facts and FAQs without rewriting the authority facts.

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Topics represented on July 31

All topics →

Civic, Remembrance & History 3 Workplace, Professions & Appreciation 3 Food, Drink & Hospitality 2 Celebrations & Social 1 Health, Wellness & Awareness 1

10 date-resolved records

All observances on this date

Source-backedFixed Annual

Harry Potter’s birthday

31 July · Harry Potter / Wizarding World fictional-character canon

HarryPotter.com identifies 31 July as Harry Potter’s birthday in official franchise editorial material.

Source-backedFixed Annual

Hawaiian Flag Day (Lā Hae Hawaiʻi)

31 July · Hawaiʻi / Hawaiian flag commemoration supported by 1989 state legislative resolutions

Hawaiʻi HCR 185 H.D. 1 requested July 31 be designated “Lā Hae Hawaiʻi” as Hawaiian Flag Day; the companion House resolution used the same date and name.

Source-backedFixed Annual

International Lifeguard Appreciation Day

31 July · Lifeguarding-community observance; international in name, with current RNLI participation

The RNLI identifies July 31 as International Lifeguard Appreciation Day in its 2026 anniversary materials and news releases.

Source-backedFixed Annual

Jump for Jelly Beans Day

31 July · Informal food-calendar usage documented by Association of Nutrition & Foodservice Professionals chapter material

Two Association of Nutrition & Foodservice Professionals chapter calendars from different publication years list Jump for Jelly Beans Day on 31 July.

Source-backedFixed Annual

Martyrdom Day of Shaheed Udham Singh

31 July · India / national remembrance context

India’s Ministry of Information and Broadcasting states that Shaheed Udham Singh’s martyrdom day is observed on 31 July every year.

Source-backedFixed Annual

National Raspberry Cake Day

31 July · Informal food-calendar usage documented by Association of Nutrition & Foodservice Professionals chapter material

Two Association of Nutrition & Foodservice Professionals chapter calendars from different publication years list National Raspberry Cake Day on 31 July.

Source-backedRule Based Annual

National Talk in an Elevator Day

Last Friday in July · United States / informal social observance

National Day Calendar and elevator-industry company TK Elevator independently define the recurrence as the last Friday in July rather than a fixed month/day.

Source-backedEdition Specific

System Administrator Appreciation Day

31 July 2026; last Friday in July · SysAdminDay.com / creator-defined appreciation observance

The creator’s site defines System Administrator Appreciation Day as the last Friday in July; in 2026 that rule yields 31 July.

Source-backedFixed Annual

Uncommon Instrument Awareness Day

31 July · International / informal music-and-instrument awareness observance

National Today and Checkiday independently place Uncommon Instrument Awareness Day on July 31 each year.

Source-backedFixed Annual

World Ranger Day

31 July · international ranger remembrance and recognition observance

International Ranger Federation (IRF)

How this date is built

This page is assembled from verified fixed dates, reusable recurrence rules, and target-year records whose edition matches 2026. Variable, historical or unresolved records are not silently forced onto this date.

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