Name

Period

Total Time

Rashidun Dynasty

A.H. 11–40 / A.D. 632–661

30 years

Abu Bakr

A.H. 11–13 / A.D. 632–634

2 years

'Umar ibn al-Khattab

A.H. 13–23 / A.D. 634–644

10 years

'Uthman ibn 'Affan

A.H. 23–35 / A.D. 644–656

12 years

'Ali ibn Abi-Talib

A.H. 35–40 / A.D. 656–661

5 years

Umayyad  Dynasty

A.H. 41–132 / A.D. 661–750

91 years