Zechariah 14:4 describes the Lord standing on the Mount of Olives — the same 'day' as verse 7, providing the event that introduces the unique day.

In Isaiah 30:26, the light is intensified with the sun shining sevenfold, directly echoing the continuous light of this unique day.

In Isaiah 60:19, the Lord becomes the everlasting light, eliminating darkness — a direct parallel to the no-night theme here.

In Isaiah 60:20, the sun never sets, reinforcing the promise of uninterrupted light that this day brings.

Matthew 24:36 echoes this — that day and hour no one knows but the Father only, aligning with the day known only to the Lord.

Mark 13:32 repeats the same teaching — no one knows that day or hour, only the Father, just as Zechariah 14:7 says it is known to the Lord.

Acts 1:7 says it is not for us to know times or seasons fixed by the Father's authority — a direct parallel to the day known only to the Lord.

Revelation 21:23 fulfills this prophecy — the New Jerusalem has no need of sun or moon because God's glory gives light, echoing the evening light.

Revelation 22:5 declares that night will be no more, directly fulfilling the promise in Zechariah 14:7 that at evening time there will be light.

Job 11:17 says darkness will become like morning — directly parallels Zechariah's evening becoming light. Both depict divine reversal of darkness.

Revelation 21:25 declares no night in the New Jerusalem — a direct fulfillment of Zechariah's promise that evening will bring light.