Is #EXT-X-DATERANGE tag applies only to next segments?

Is #EXT-X-DATERANGE tag applies only to next segments.

Eg:

#EXTINF:10.000000,

#EXT-X-PROGRAM-DATE-TIME:2019-01-11T16:02:00.542+0530

adv_1.ts

#EXTINF:10.000000,

#EXT-X-PROGRAM-DATE-TIME:2019-01-11T16:02:12.083+0530

adv_2.ts

#EXT-X-DATERANGE:ID="ad3",START-DATE="2019-01-11T16:02:00.542+0530",DURATION=20,

#EXTINF:4.833333,

#EXT-X-PROGRAM-DATE-TIME:2019-01-11T16:02:32.500+0530

master-1547202744.ts

In above example #EXT-X-DATERANGE has START-DATE as 2019-01-11T16:02:00.542+0530 which is the program-date-time of av_1.ts segment. In this case, do we need to set discontinuity/apply date range information for adv_1.ts?


can someone help me?


Thanking you in advance.