Do we have a in-built CLOCK in LC pls.?

Hello

I am a newbie to LC, am developing a form, where in I need to place a DATE field and TIME field. So, from pallette I got the DATE field and am seeing the calender for date selection, well, but I thought its the same case with TIME field that user gonna hv a clock / digital clock provision for time slecton, but its not?

Pls. let me know

1) Do we have a in-built clock function for TIME selection in LC?, if so, how can get it onto my form

2) If there is not such thing, what is the PATTERN i need to maintain so that users will not enter junk?

3) If I want to do any validations against user entered data, pls. let me know the JS and the EVENT name pls.?

Thank you