Skip to content
Vatican Observatory
  • About
    • Overview
    • Team
    • FAQ
  • Telescopes
    • Overview
    • Telescope Images
  • Latest
    • Overview
    • Resources
    • Press
    • Audio
    • Video
    • Research
    • Authors
      • FAQs
    • Newsletter
    • Tucson Meteor Cameras
  • Podcast
  • Education
    • Overview
    • Resource Center
    • Image Gallery
    • Summer School
    • Books
    • Software
    • Additional Resources
    • ACME
    • Ambassadors
  • Shop
  • Calendar
  • Support
    • Overview
    • Donate Now
    • Smart Ways to Give
    • Sacred Space Astronomy
      • View Content
    • Fr. Coyne Fundraiser
    • Bequests / Trusts
    • The Foundation
      • Newsletters
      • Annual Reports
  • Press
  • Specola Vaticana
  • Contact
    • Contact
  • About
    • Overview
    • Team
    • FAQ
  • Telescopes
    • Overview
    • Telescope Images
  • Latest
    • Overview
    • Resources
    • Press
    • Audio
    • Video
    • Research
    • Authors
      • FAQs
    • Newsletter
    • Tucson Meteor Cameras
  • Podcast
  • Education
    • Overview
    • Resource Center
    • Image Gallery
    • Summer School
    • Books
    • Software
    • Additional Resources
    • ACME
    • Ambassadors
  • Shop
  • Calendar
  • Support
    • Overview
    • Donate Now
    • Smart Ways to Give
    • Sacred Space Astronomy
      • View Content
    • Fr. Coyne Fundraiser
    • Bequests / Trusts
    • The Foundation
      • Newsletters
      • Annual Reports
  • Press
  • Specola Vaticana
  • Contact
    • Contact

Category: Calendars

The Mystery That Keeps Neil deGrasse Tyson Up At Night

18 Jan 2018

The Leap Second Debate: Rational Arguments vs. Unspoken Unease

16 Nov 2017

These Are Not Your Mother’s Sundials: Or, Time and Astronomy’s Authority

16 Nov 2017

Misplaced Obsessions: Understanding Why Christmas Is On December 25th.

12 Aug 2017

Fixing a Date for Easter? A discussion about time

26 Sep 2016

Holy Week and Easter: The Collision Point of Measured Time!

26 Sep 2016

From the Tablet: Why is Easter So Early This Year?

26 Sep 2016

Astronomy, Calendars and Religion

18 Jul 2016

Gregorian Reform of the Calendar

12 May 2016

Recent Posts

Science, Baptists and the Underground Railroad

By Mr. Christopher Graney  |  1 Apr 2023  |  Sacred Space Astronomy

Venus Has More Than 85,000 Individual Volcanic Landforms!

By Robert Trembley  |  30 Mar 2023  |  Sacred Space Astronomy

ⓜ Full Moon-th Meetup: 6 April, 2023

By Robert Trembley  |  29 Mar 2023  |  Sacred Space Astronomy

Centuries of Stargazing Leave Jesuit Names Written in the Heavens

New York Times  |  29 Mar 2023  |  Press

Newsletter

Upcoming astronomical events, scientific breakthroughs, philosophical reflections… just a few reasons to subscribe to our newsletter!

Vatican Observatory
  • About
  • Telescopes
  • Latest
  • Podcast
  • Education
  • Shop
  • Calendar
  • Support
  • Press
  • Specola Vaticana
  • Contact
Privacy Policy  |   Cookie Policy  |   Disclosure Statement

Podcast:

  • Apple Podcasts Listen onApple Podcasts
  • Spotify Listen onSpotify
  • Google Podcasts Listen onGoogle Podcasts
  • Stitcher Listen onStitcher
  • Amazon Alexa Listen onAmazon Alexa
  • TuneIn Listen onTuneIn
Made by Longbeard