21st21th 21sttwnety-first [twenti] [f:st] (one)first1st1th.

21st21th 21sttwnety-first [twenti] [f:st] (one) first1st1th .

2121th21st21thstndrdth1. 1st11st2. 2nd.

Understanding the Context

2121th21st2121th21st21th.

21st21th - cardinal numbers1,2,3,4thndstrd21twenty.

2121th21st21th=twentyoneth21st=twentyfirst.

11thfirst 1stsecond2ndeleventh 11th December 11thDec.11th1211 1st 2nd 3rd 4th.

Key Insights

21st twnety-first [twenti] [f:st] twenty first 1twenty-first ; ; ; 2the twenty-first ; 3twenty-first t .

11121311st11st21st31st2222nd22ndth 8thMarch2004.

2222th22nd2222nd2222ndTwenty-second123firstsecondthird.