the Messenger of Allah (may Allah's peace and blessings be upon him) said: My advent and the Hour are like these, pointing with his two fingers. [Al-Bukhari]

"عن رسول الله -صلى الله عليه وسلم- قال: «بُعِثْتُ أنا والساعةَ هكذا»، ويُشير بإصبعيه فيَمُدُّ بهما. [صحيح.] - [متفق عليه.]"