AWSDateTime doesn't parse ISO 8601 format, is it bug ?

Question

# Summary  
  
"2019-04-09T23:25:27+09:00" is valid ISO 8601 datetime notation certainly.  
"2019-04-09T23:25:27+0900" (colon-less timezone) is also valid I think ( says so, but it is just my conjecture because I don't have ISO 8601 cannonical specification pdf .)  
  
AWSDateTime accepts former, but denied latter.  
I think this is bug because https://docs.aws.amazon.com/appsync/latest/devguide/scalars.html#awsdatetime says:  
  
> The AWSDateTime scalar type represents a valid extended ISO 8601 DateTime string.   
  
# How to reproduce  
  
1. Setup AppSync with Dynamodb backend  
2. Use AWSDateTime as part of GraphQL type  
3. Insert a row with value "2019-04-09T23:25:27+0900" for AWSDateTime in dynamodb console  
4. Query in AppSync console to get the row  
5. Error happens like invalid row value  
  
# P.S.  
  
I haven't checked AWSTime but It may have same problem.

AWS-User-6514131 · Accepted Answer

Hi,  
  
Thanks for the feedback. At this time, AWS AppSync requires the colon in the timezone. Per our documentation, "...the time zone offset must either be Z (representing the UTC time zone) or be in the format ±hh:mm:ss" (https://docs.aws.amazon.com/appsync/latest/devguide/scalars.html#awsdatetime).   
  
I'll add a task to our backlog to see if we can relax this requirement to support timezones without colons. Unfortunately, I cannot provide an ETA on if/when this can be implemented.  
  
Regards,  
Rohan

AWSDateTime doesn't parse ISO 8601 format, is it bug ?

Summary

How to reproduce

P.S.

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