sWhy is iPhone IOS showing invalid date for momentjs

Question

I have a datepicker which was returning a moment object that was always in UTC timezone. I needed to do some logic on this date, but always wanted it in the users local timezone

Answer 1

follow this format. year should be at the beginning. have to use "/" instead of "-". cannot use "MMM" for month

YYYY/MM/DD hh:mm A

Answer 2

Try wrapping up with String function

//strip submission date of timezone offset
let submission_date = moment(String(this.state.startDate),'YYYY-MM-DD hh:mm:ss a');
let last_date = moment(String(this.last_date),'YYYY-MM-DD hh:mm:ss a').diff(submission_date, 'days');

Safari engine has some unique way of processing/parsing the date object

Answer 3

I had figured out that it's the 'a' flag in the format string. I changed it to 'YYYY-MM-DDTHH:mm:ss' and it worked perfectly. Safari must not like am/pm data