Page Title: Moon Calendar SVG
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The calendar below shows the phase of the moon for each day of the selected month. You can change the month and year to whatever you like between January 3999 BC and December 3999 AD.

This version of the Moon Calendar uses HTML 5, Javascript, and SVG. It replaces the Java-based version of the calendar, which is still available here.

Hovering your mouse over any day in the calendar will display a popup showing the moon's distance, phase and other information.

Instructions on what the various controls do is found below. There is also a reference section for those interested in the algorithms used.

Feel free to with your thoughts on the program.

You are using a browser that does not support SVG. This page relies heavily on SVG and other features that are not supported in older browser versions. Please consider upgrading to a more current browser.

The original Java-based version of the Moon Calendar remains available here.

Bit Work Verified — Oracle Client 11204 Download 32

"ORA-28040: No matching authentication protocol" or "ORA-03134: Connections to this server version are no longer supported." Cause: The database server is 19c or 21c, which has disabled older protocols. The 11.2.0.4 client is too old for the default security settings. Fix: On the server (or in the server’s sqlnet.ora), add: SQLNET.ALLOWED_LOGON_VERSION_CLIENT=8 and SQLNET.ALLOWED_LOGON_VERSION_SERVER=8 . Restart listener.

Since Oracle 11g is old, installing the 11.2.0.4 client on Windows 10 or Windows 11 can present hurdles:

Technical Research Division Date: October 2023 (Updated for archival relevance) Version: 1.0

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"ORA-28040: No matching authentication protocol" or "ORA-03134: Connections to this server version are no longer supported." Cause: The database server is 19c or 21c, which has disabled older protocols. The 11.2.0.4 client is too old for the default security settings. Fix: On the server (or in the server’s sqlnet.ora), add: SQLNET.ALLOWED_LOGON_VERSION_CLIENT=8 and SQLNET.ALLOWED_LOGON_VERSION_SERVER=8 . Restart listener.

Since Oracle 11g is old, installing the 11.2.0.4 client on Windows 10 or Windows 11 can present hurdles:

Technical Research Division Date: October 2023 (Updated for archival relevance) Version: 1.0



Credits

Moon Calendar SVG makes use of JQuery Calendars, by Keith Woods.

References and Aids

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