It makes the calendar less than compatible with the commandment to keep the Sabbath by not working on every seventh day.
Which is not insurmountable in practice (e.g. by keeping a separate ecumenical calendar) but you can bet it would be a significant source of opposition.
It makes the calendar less than compatible with the commandment to keep the Sabbath by not working on every seventh day.
Which is not insurmountable in practice (e.g. by keeping a separate ecumenical calendar) but you can bet it would be a significant source of opposition.