Class om\ICal\TimeSpace

`final`
`readonly`

Timestamps comparable with the start of a recurring item. UTC and zoned items use real instants. Dates and floating times use their wall-clock time written as UTC, so they recur at the same local time and are never converted to a system timezone.

Methods
`public`	`__construct(DateTimeValue $start)`	#
`public`	`start(): DateTimeImmutable` DTSTART as the base of the recurrence expansion. DTSTART as the base of the recurrence expansion.	#
`public`	`toBase(DateTimeValue $value): int`	#
`public`	`fromBase(int $timestamp): DateTimeValue`	#
`public`	`shift(DateTimeValue $value, int $seconds): DateTimeValue` Move a value by wall-clock seconds (the local time changes by exactly that much, also over DST). Move a value by wall-clock seconds (the local time changes by exactly that much, also over DST).	#
`public`	`window(DateTimeInterface $moment): int` A window boundary: an instant, or the local time of the given moment for local items. A window boundary: an instant, or the local time of the given moment for local items.	#
`public`	`overlaps(Occurrence $occurrence, ?int $from, ?int $to): bool`	#