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All offices at Concordia Seminary, St. Louis will be closed beginning Wednesday, Dec. 24, 2025, in observance of Christmas. Offices will reopen and classes will resume Monday, Jan. 5, 2026. If you have any questions regarding a year-end gift, please call 800-822-5287 or email [email protected].

Live

Advent Lessons and Carols



Streaming Requirements

To watch an event via live stream, please ensure the following:

Download speeds

The following table shows the minimum speeds required for each playback quality:

Quality Required Minimum Bandwidth
240p 500 kbps
360p 1 Mbps
720p 3 Mbps
1080p 7 Mbps

Check your connection at speedtest.net.

Desktop OS and Browser

In addition, we recommend using the following browsers and versions on Windows 7 or later or macOS Sierra (10.12.6) or later:

  • Chrome 30+ (has automatic updates)
  • Firefox 27+ (has automatic updates)*
  • Microsoft Edge
  • Safari 9+

*H.264 video (required for viewing Vimeo videos) is only supported in Firefox for Windows 7 and later. Firefox versions on Windows XP are no longer supported for playback.

Firewalls and whitelisted domains

Viewers should ensure the following ports are open on their network for playback:

  • TCP/UDP 80 (HTTP)
  • TCP/UDP 443 (HTTPS)

In addition, if you are on a corporate network (office, university, hotel, etc.) that restricts access to certain websites or domains, they should have the following domains whitelisted:

  • *.vimeo.com
  • *.vimeocdn.com
  • *.magisto.com
  • *.akamaized.net
  • *.cloudfront.net

Mobile devices

Mobile viewers can use Android (Lollipop) version 5.0+ or iOS version 12.4+.

If you have any questions or problems, contact our Help Desk at 314-505-7231 or [email protected].

Help Desk hours are Monday–Friday, 8–9:30 a.m. and 10:30 a.m.–4:30 p.m. (closed daily from 9:30-10:30 a.m. for chapel)