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    Type:Bug 
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    Resolution: Unresolved
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    Priority:Major - P3 
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    Affects Version/s: None
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    Component/s: None
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        Server Programmability
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        ALL
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        Programmability 2025-08-18
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This parser enforces ranges on each time field.
The range for seconds is incorrectly specified as [0,59].
When a positive a leap second occurs, one minute will have a 61st second.
The seconds field will have a value of 60, and dateFromISOString will fail to parse it.
- is related to
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                    SERVER-94228 Support Date_t formatting and parsing of dates before 1970 -         
- In Progress
 
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- related to
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                    DRIVERS-3243 Decide and clarify whether BSON Datetime is Unix or UTC -         
- Backlog
 
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