Javascript strptime() is adding one month extra

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From an Spring boot project we are calling GraalVM for processing some rules written in JavaScript. The GraalVM version is 'org.graalvm.sdk=1.0.0-rc11'. When we are using strptime(), it's adding one month extra. Like for the date 24/02/2021, it is converted to 24/03/2021. Can you please let me know why this is happening?

Here source is passed as the source date like 24/02/2021

const return_date = new Date().strptime(source, format(source)).toIsoString()

NOTE: This is happening if we execute this on the last day of a month like on 31st January, other day it is giving me the expected date returned. So any idea why strptime() is behaving like this?

strptime graalvm javascript java
1 Answers

other than strptime() function, You can directly use this way:

const return_date = new Date(source).toISOString()

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