That's right, because Talmudic Judaism is governed by the Rabbis, who can change the rules as they see fit (MAKING VOID THE COMMANDMENTS BY THEIR TRADITIONS), just like the Pope can change the rules with 'ex cathedra' directives ... KNOW AND UNDERSTAND the Bible Sabbath has NEVER BEEN governed by a day count cycle as used in the Roman Calendar. NEVER! And never will.
In 359-360 a.d. Constantius ordered Hillel 2 to stop the calendar process used at that time (which had previously been altered as well from the Biblical Calendar in other less blatant ways). This order resulted in the so-called 'jews' (many of whom had mongrelized with Edomites anyway) to stop using the calendar whereby the WEEKLY SABBATH "SEVENTH DAY" WAS SET BY THE LUNAR CYCLE, and adopt the "SEVENTH DAY" of the the ROMAN CALENDAR (Saturday) as their weekly Sabbath. ALL "SATURDAY SABBATH" groups, Seventh Day Adventists, Seventh Day Baptists, Seventh Day Church of God, Messianics, Hebrew Roots, etc. etc. etc., are promoting a LIE, and not keeping the Sabbath of the Bible.
The MOTHER HARLOT ROMAN CHURCH produced MANY daughters. To use the Roman Solar Calendar in ANY part of one's Scriptural Time Keeping is but manifestation of that relationship and origin.
Understand that a calendar is for time keeping in major time elements, and the minor. To use a Luna-Solar calendar for part of one's feasts timing, and a totally DIFFERENT calendar and timing process for determining a commanded weekly event, is the height of stupidity and apostasy ... and punishable by death in Scripture. EVERY place where Weekly Sabbath can be connected to a day of the month it is either 8th, 15th, 22nd, or 29th day of the month. NO EXCEPTIONS. This PROVES the WEEKLY SABBATH is connected directly to the same time mechanics of the month, in the Bible.
So-called 'jews' DO NOT KEEP the Scriptural Sabbath ... AND THEY TELL YOU SO if you would research it carefully. They do not see the need to do so SINCE THEIR RABBIS HAVE THE AUTHORITY TO GOVERN THE ISSUE, in Talmudic Judaism.
PLEASE SEE THIS LINK where documented proof is provided:
See this video: