3722. orthros -- daybreak, dawn
... early in the morning. From the same as oros; dawn (as sun-rise, rising of light);
by extension, morn -- early in the morning. see GREEK oros. ...
/greek/3722.htm - 6kMark 1:35
And in the morning, rising up a great while before day, he went out, and departed into a solitary place, and there prayed.
Topicalbible.org—AKJV

Matthew 28:1
In the end of the sabbath, as it began to dawn toward the first day of the week, came Mary Magdalene and the other Mary to see the sepulcher.
Topicalbible.org—AKJV

Luke 24:1
Now on the first day of the week, very early in the morning, they came to the sepulcher, bringing the spices which they had prepared, and certain others with them.
Topicalbible.org—AKJV

Mark 16:2
And very early in the morning the first day of the week, they came to the sepulcher at the rising of the sun.
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Acts 5:21
And when they heard that, they entered into the temple early in the morning, and taught. But the high priest came, and they that were with him, and called the council together, and all the senate of the children of Israel, and sent to the prison to have them brought.
Topicalbible.org—AKJV