כֹּֽה־אָמַר֮ אֲדֹנָ֣י יְהוִה֒ שַׁ֜עַר הֶחָצֵ֤ר הַפְּנִימִית֙ הַפֹּנֶ֣ה קָדִ֔ים יִהְיֶ֣ה סָג֔וּר שֵׁ֖שֶׁת יְמֵ֣י הַֽמַּעֲשֶׂ֑ה וּבְי֤וֹם הַשַּׁבָּת֙ יִפָּתֵ֔חַ וּבְי֥וֹם הַחֹ֖דֶשׁ יִפָּתֵֽחַ׃
主永恆者如此說：內院朝東的門，在六個工作日要關閉；但在安息日要打開，在月朔之日也要打開。
Rashi
The gate of the Inner Court that faces toward the east, etc. Our Rabbis learned in Tractate Middoth (4:2): The gate of the Heichal had two wickets, one in the south and one in the north. Concerning the one in the south it is explained in the post Mosaic Scriptures (above 44:2): “and no man shall come through it... and it shall be closed.”
Tze'enah Ure'enah
“Thus said the Lord” [46:1]. Thus said the Holy One: the door of the courtyard, which is the innermost of the Temple, should be closed during the week, but on the Sabbath and New Moon, it should be open.