'Periods' in the Bible

To Him who has it in His power to make you strong, as declared in the Good News which I am spreading, and the proclamation concerning Jesus Christ, in harmony with the unveiling of the Truth which in the periods of past Ages remained unuttered,

Then, the two wings of a great eagle were given to the woman to enable her to fly away into the Desert to the place assigned her, there to be cared for, for a period of time, two periods of time, and half a period of time, beyond the reach of the serpent.