Manvantara - A time frame

According to hindu mythology we have 14 manvantaras. those are

1. swambhuva manvantara 
2. swarochisha manvantara
3. uttama manvantara
4. taamasa manvantara 
5. raivatha manvantara
6. chakshusa manvantara
7. vaivaswatha manvantara
8. saavarni manvantara
9. daxa saavarni manvantara
10. brahma savarni manvantara
11. dharma savarni manvantara
12. rudra savarni manvantara
13. deva savarni manvantara
14. indra savarni manvantara 

Every manvantara will have several maha yugas. And every maha yuga contains 4 yugas.

names of those yugas and their time spans (in years) are listed below

• krutha yuga - 17280000
• tretha yuga - 1296000
• dwapara yuga - 864000
• kali yuga - 4320000