Share 'what 2:22, 3:33, 5:55, 8:88, 11:11 and 12:12 are exactly? keep seeing it everyday.'

Hello Brothers and Sisters... I would like to know what this numbers means exactly? (2:22, 3:33, 5:55, 8:88, 11:11 and 12:12) I had been seeing this numbers everyday. This started few weeks ago. What's the true meaning for ourselves? what's the benefits? thank you all again =)