Numbers 10:10

10:10 “Also in the time when you rejoice, such as on your appointed festivals or at the beginnings of your months, you must blow with your trumpets over your burnt offerings and over the sacrifices of your peace offerings, so that they may become a memorial for you before your God: I am the Lord your God.”

Numbers 28:11-15

Monthly Offerings

28:11 “‘On the first day of each month you must offer as a burnt offering to the Lord two young bulls, one ram, and seven unblemished lambs a year old, 28:12 with three-tenths of an ephah of finely ground flour mixed with olive oil as a grain offering for each bull, and two-tenths of an ephah of finely ground flour mixed with olive oil as a grain offering for the ram, 28:13 and one-tenth of an ephah of finely ground flour mixed with olive oil as a grain offering for each lamb, as a burnt offering for a pleasing aroma, an offering made by fire to the Lord. 28:14 For their drink offerings, include half a hin of wine with each bull, one-third of a hin for the ram, and one-fourth of a hin for each lamb. This is the burnt offering for each month throughout the months of the year. 28:15 And one male goat must be offered to the Lord as a purification offering, in addition to the continual burnt offering and its drink offering.

Numbers 28:2

28:2 “Command the Israelites: ‘With regard to my offering, be sure to offer my food for my offering made by fire, as a pleasing aroma to me at its appointed time.’

Numbers 4:23

4:23 You must number them from thirty years old and upward to fifty years old, all who enter the company to do the work of the tent of meeting.

Psalms 81:3-4

81:3 Sound the ram’s horn on the day of the new moon,

and on the day of the full moon when our festival begins.

81:4 For observing the festival is a requirement for Israel;

it is an ordinance given by the God of Jacob.

Isaiah 1:13

1:13 Do not bring any more meaningless offerings;

I consider your incense detestable!

You observe new moon festivals, Sabbaths, and convocations,

but I cannot tolerate sin-stained celebrations!

Colossians 2:16

2:16 Therefore do not let anyone judge you with respect to food or drink, or in the matter of a feast, new moon, or Sabbath days –