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Julian year 4713 BC is -4712, because year 0 = 1 BC #1536

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Julian year 4713 BC is -4712, because year 0 = 1 BC #1536

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2 changes: 1 addition & 1 deletion Sources/FoundationEssentials/Date.swift
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Expand Up @@ -389,7 +389,7 @@ extension Date : _CustomPlaygroundQuickLookable {
#endif // FOUNDATION_FRAMEWORK

extension Date {
// Julian day 0 (-4713-01-01 12:00:00 +0000) in CFAbsoluteTime to 506713-02-07 00:00:00 +0000, smaller than the max time ICU supported.
// Julian day 0 (-4712-01-01 12:00:00 +0000) in CFAbsoluteTime to 506713-02-07 00:00:00 +0000, smaller than the max time ICU supported.
package static let validCalendarRange = Date(timeIntervalSinceReferenceDate: TimeInterval(-211845067200.0))...Date(timeIntervalSinceReferenceDate: TimeInterval(15927175497600.0))

// aka __CFCalendarValidateAndCapTimeRange
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