Rabi al-Awwal 1, 1438 will be Thursday, December 1st, 2016. There were no sighting reports on Tuesday, November 29, 2016 (Safar 29, 1438). As such, Safar will complete its cycle of 30 days and Rabi al-Awwal begins at Maghrib on Wednesday, November 30, 2016. The 1st of Rabi al-Awwal will be Thursday, December 1, 2016.
