[Old calendar]
Its mean has "Chinese calendar".
The old calendar (Chinese calendar) is a lunisolar calendar.
It is also used in many other East Asia countries as well as China.
This calendar incorporating elements of a lunar calendar with those of a solar calendar.

has 6 kind days. Each day is ,,,,,
is a traditional system for assigning one of six names to each day of the lunar calendar. Each of the six days is associated with particular beliefs about good or bad fortunes, and some events, particularly weddings and funerals, may be scheduled to fall on particular days.

Each days mean.
is 'Lucky day'
is 'unlucky for all activities'
is 'lucky day in morning'
is 'good day for business '
is 'lucky day but not in morning'
is 'very unlucky day '