TITHI :

The various tithis starting from New moon (Amavasya) are as follows:

1.PRATHIPAD--First 

2.DVITIYA --Second

3.TRITIYA --Third

4.CHATURTHI--Fourth

5.PANCHAMI--Fifth

6.SHASHTI --Sixth

7.SAPTAMI --Seventh

8.ASHTAMI--Eighth

9.NAVAMI --Ninth

10.DASHAMI --Tenth

11.EKADASHI--Eleventh

12.DVADASHI--Twelfth

13.THRIODASHI--Thirteenth

14.CHATURDASI--Fourteenth

After these 14 tithis , Poornima occurs. This phase is called Shuklapaksha.The same tithis are repeated in the Krishnapaksha also.