转换数据格式（2021 年 2 月 1 日 10:53:00am KST => 2021-02-01 10:53:00am）

Question

I need to filter datas by it's dates.
In order to do that I have to convert date to Number.
but I am getting this NaN error.

How can I convert

Feb 01 2021 10:53:00am KST

into

2021-02-01 10:53:00

or Is there any way to convert

Feb 01 2021 10:53:00am KST

to Number directly?

Answer 1

Having a look at Date.parse

This one parses in Chrome "Feb 01 2021 10:53:00"

 const d = new Date("Feb 01 2021 10:53:00") console.log(d)

So let's try more specific

 // We want YYYY-MO-DDTHH:MM:SS.MSC+hh:mm const months = ["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"]; const pad = num => ("0"+num).slice(-2); const dString = "Feb 01 2021 10:53:00am KST"; // assuming mmm dd yyyy hh:mm:ssxx KST where xx is am or pm let [mmm,dd,yyyy,tString,tz] = dString.split(" "); let [_,hh,mm,ss,ampm] = tString.match(/(\d{2}):(\d{2}):(\d{2})(am|pm)/) hh = pad(+hh + (ampm==="pm"? 12: 0)); const month = pad(months.indexOf(mmm)+1) const newDString = `${yyyy}-${month}-${dd}T${hh}:${mm}:${ss}.000-09:00` const date = new Date(newDString) console.log(newDString,date)