Moments and Milestones

Across

1. Infinite duration without end or limit

3. Complete or bring to an end

6. Period of royal rule or control

9. Greatest possible degree or extent

12. Postpone action or event temporarily

13. Morning event signaling a new day

Down

2. Stage in a cycle or process

4. Time of greatest success or popularity

5. Moment to start the performance

7. Lacking movement or activity

8. Interconnected system for sharing data

10. Occurring at the right moment

11. First light of the morning sky