May be related to catalog improvements for consistent time zone management and can be incorporated in the requirements for a future update/release:
Issue: Submission of assignment marked "LATE" when UI displays to student it was submitted on time. Based on rubric, students' grades are severely impacted up to not counted at all.
L1 Canvas Support ticket: ref:_00Da0lbsk._5003m17sZ02:ref 02212021 07:02 PM
Steps to replicate: Submit an assignment by the mm/dd/yyyy hh:mm when seconds > :00 marks assignment as "LATE"
Case Study:
https://fiu.instructure.com/courses/92283/assignments/1183605/submissions/162825
SUBMISSION":{"assignment_id":"1183605","submission":{"id":"150686771"
LINE 37 ENV =
"inline_math_everywhere":true,"canvas_k6_theme":false,"new_math_equation_handling":true}
"TIMEZONE":"America/New_York","CONTEXT_TIMEZONE":"America/New_York","LOCALE":"en","BIGEASY_LOCALE":"en_US","FULLCALENDAR_LOCALE":"en","MOMENT_LOCALE":"en","rce_auto_save_max_age_ms":86400000
{"eula_agreement_timestamp":"1613969992768"},"cached_due_date":"2021-02-21T23:59:00-05:00","excused":false,"graded_anonymously":false,"late_policy_status":null,"points_deducted":0.0,"grading_period_id":null,"seconds_late_override":null,"lti_user_id":"085f85a54d073a316986b245a0b800114a062f9c"
TIMESTAMP CONVERSION = Sunday, February 21, 2021 11:59:52.768 PM GMT-05:00
LINE 302-306 Process</h2>
<div class="submission-details-header__info">
<span class="submission-details-header__time late ">
Natalie [last name redacted] (She/Her/Hers) submitted Feb 21 at 11:59pm
</span>
<span class="submission-late-pill"></span>
[image removed by Community Team to preserve student privacy]