Modern Chrono DateTime IsUtc

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DateTime.IsUtc

Returns true if the offset is zero; a date-time with no offset is not UTC.

Syntax

DateTime.IsUtc

Examples

#import "std/chrono"
using chrono

dim as DateTime d = DateTime( 2026, 8, 13, 14, 30, 5, 123 )
print d.IsUtc                '' false -- no offset at all

print d.WithOffset( 0 ).IsUtc            '' true -- offset zero
print d.WithOffset( 60 ).IsUtc           '' false

'' "Offset zero", not "is a UTC value": a DateTime with no offset is not
'' UTC, it is unzoned

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Library: Chrono Date and Time
Category: Date and Time (Chrono)
Documented under: The Members