First Contact Day2026 · Date · History · Messages
Official Star Trek sources mark April 5 as First Contact Day, explicitly frame the April 5, 2063 human–Vulcan encounter as fictional canon, document an official 2021 real-world fan event, and explain why the writers-producers chose April 5.
About First Contact Day
First Contact Day is a Star Trek franchise and fandom observance held on April 5.
Within Star Trek fiction, April 5, 2063 is the date of humanity’s first contact with Vulcans; real-world Star Trek channels also use April 5 for fan programming and franchise celebration.
Why First Contact Day matters
The day celebrates a fictional milestone in the Star Trek universe and the franchise themes associated with first contact.
It is an entertainment-fandom observance, not a real historical commemoration of extraterrestrial contact or a civic public holiday.
History of First Contact Day
StarTrek.com describes April 5, 2063 as the fictional date when humans first make contact with Vulcans after Zefram Cochrane’s warp flight.
In 2021, Paramount+ and StarTrek.com promoted a global virtual First Contact Day event on April 5 with franchise panels and programming.
In a 2025 StarTrek.com explanation, co-writer Ronald D. Moore said April 5 was chosen because it is his oldest son Jonathan’s birthday.
What the evidence establishes
Confirmed institutional roles and milestones are shown first. Details that could not be established from the reviewed sources are listed separately below.
8 fields not established in reviewed sources
Later institutional actions
Later recognition, renaming, mergers or date changes are kept separate from original establishment.
How to Observe First Contact Day
Watch Star Trek: First Contact or another official episode or film involving first-contact stories.
Read the official StarTrek.com explanation of why April 5 was chosen for the fictional date.
Join or follow clearly identified official or fan-run events, without presenting unaffiliated gatherings as endorsed by the franchise.
If sharing fan art, clips or other creative material, respect copyright, trademark and platform rules.
Keep fictional 2063 events clearly labeled as Star Trek canon rather than real-world history.
First Contact Day Facts
First Contact Day is associated with April 5 in Star Trek.
The central event is fictional: human–Vulcan first contact is placed on April 5, 2063 in Star Trek continuity.
StarTrek.com and Paramount+ ran an official global fan celebration on April 5, 2021.
Ronald D. Moore told StarTrek.com that April 5 was chosen because it is his oldest son’s birthday.
The reviewed sources do not establish one first real-world recurring fan observance year.
First Contact Day Messages
Happy First Contact Day—April 5 is the Star Trek date for humanity’s fictional meeting with Vulcans.
Celebrate First Contact Day with a favorite Star Trek first-contact story.
Topic and context
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.
Evidence & sources
Sources used across the guide are gathered here. Labels show how each source supports the page, and contextual references are kept separate from primary evidence.
StarTrek.com — Discovery first contacts guide (opens in a new tab)
Franchise Primary Source
StarTrek.com — Join StarTrek.com For First Contact Day! (opens in a new tab)
Official Fandom Observance
StarTrek.com — Origin Of First Contact Day Explained (opens in a new tab)
Franchise Primary Source
Understand it, compare it, then explore further
Start with the most common factual questions, then compare closely related observances and explore useful connections.
Frequently asked questions
When is First Contact Day?
5 April in Star Trek canon and fan celebration The documented recurrence rule is: 5 April in Star Trek canon and fan celebration.
Does First Contact Day fall on the same date every year?
Yes. It uses a fixed annual date unless stronger evidence changes the pattern.
Is First Contact Day an official public holiday?
The reviewed sources verify it within this scope: Star Trek franchise / science-fiction fandom. That recognition does not by itself make it a statutory public holiday; the site only makes public-holiday claims when reliable evidence explicitly does so.
Who established or recognizes First Contact Day?
The documented basis is: Official Star Trek sources mark April 5 as First Contact Day, explicitly frame the April 5, 2063 human–Vulcan encounter as fictional canon, document an official 2021 real-world fan event, and explain why the writers-producers chose April 5.. Supporting evidence includes StarTrek.com — Origin Of First Contact Day Explained. The site does not infer a separate creator or founder unless reviewed evidence establishes one.
Is First Contact Day international or country-specific?
No single country is assigned to this observance. Its documented scope is: Star Trek franchise / science-fiction fandom. Use that scope rather than assuming worldwide or country-specific status.
How is this page verified?
The factual information is checked against reviewed sources, including the date pattern, scope and institutional history. This page was checked on 2026-09-28.
When is First Contact Day?
Star Trek’s official site marks First Contact Day on April 5.
Did human first contact with Vulcans really happen on April 5, 2063?
No. That event is part of Star Trek fiction.
Why was April 5 chosen?
StarTrek.com reports that co-writer Ronald D. Moore said the date was chosen because it is his oldest son Jonathan’s birthday.
Is First Contact Day only fictional?
The 2063 event is fictional, but the franchise has also used April 5 for real-world fan celebrations and official programming.
Other observances on April 5
These observances are also listed on April 5, 2027.
Gold Star Spouses Day
U.S. Department of Defense source verification
International Day of Conscience
A/RES/73/329
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