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+ Intstant.truncateToMinute()

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sergeych committed 2026-01-18 18:22:49 +03:00
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docs/time.md
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@@ -21,7 +21,11 @@ Represent some moment of time not depending on the calendar. It is similar to `T
val t2 = Instant(1704110400) // 2024-01-01T12:00:00Z
// from RFC3339 string:
val t3 = Instant("2024-01-01T12:00:00Z")
val t3 = Instant("2024-01-01T12:00:00.123456Z")
// truncation:
val t4 = t3.truncateToMinute
assertEquals(t4.toRFC3339(), "2024-01-01T12:00:00Z")
// to localized DateTime (uses system default TZ if not specified):
val dt = t3.toDateTime("+02:00")
@@ -36,15 +40,17 @@ Represent some moment of time not depending on the calendar. It is similar to `T
| nanosecondsOfSecond: Int | offset from epochWholeSeconds in nanos |
| isDistantFuture: Bool | true if it `Instant.distantFuture` |
| isDistantPast: Bool | true if it `Instant.distantPast` |
| truncateToSecond: Instant | create new instance truncated to second |
| truncateToMillisecond: Instant | truncate new instance to millisecond |
| truncateToMinute: Instant | create new instance truncated to minute |
| truncateToSecond: Instant | create new instance truncated to second |
| truncateToMillisecond: Instant | truncate new instance to millisecond |
| truncateToMicrosecond: Instant | truncate new instance to microsecond |
| toRFC3339(): String | format as RFC3339 string (UTC) |
| toDateTime(tz?): DateTime | localize to a TimeZone (ID string or offset seconds) |
## Calendar time: `DateTime`
`DateTime` represents a point in time in a specific timezone. It provides access to calendar components like year, month, and day.
`DateTime` represents a point in time in a specific timezone. It provides access to calendar components like year,
month, and day.
### Constructing
@@ -67,24 +73,24 @@ Represent some moment of time not depending on the calendar. It is similar to `T
### DateTime members
| member | description |
|-------------------|------------------------------------------------------|
| year: Int | year component |
| month: Int | month component (1..12) |
| day: Int | day of month (alias `dayOfMonth`) |
| hour: Int | hour component (0..23) |
| minute: Int | minute component (0..59) |
| second: Int | second component (0..59) |
| dayOfWeek: Int | day of week (1=Monday, 7=Sunday) |
| timeZone: String | timezone ID string |
| toInstant(): Instant | convert back to absolute Instant |
| toUTC(): DateTime | shortcut to convert to UTC |
| toTimeZone(tz): DateTime | convert to another timezone |
| addMonths(n): DateTime | add/subtract months (normalizes end of month) |
| addYears(n): DateTime | add/subtract years |
| toRFC3339(): String | format with timezone offset |
| static now(tz?): DateTime | create DateTime with current time |
| static parseRFC3339(s): DateTime | parse RFC3339 string |
| member | description |
|----------------------------------|-----------------------------------------------|
| year: Int | year component |
| month: Int | month component (1..12) |
| day: Int | day of month (alias `dayOfMonth`) |
| hour: Int | hour component (0..23) |
| minute: Int | minute component (0..59) |
| second: Int | second component (0..59) |
| dayOfWeek: Int | day of week (1=Monday, 7=Sunday) |
| timeZone: String | timezone ID string |
| toInstant(): Instant | convert back to absolute Instant |
| toUTC(): DateTime | shortcut to convert to UTC |
| toTimeZone(tz): DateTime | convert to another timezone |
| addMonths(n): DateTime | add/subtract months (normalizes end of month) |
| addYears(n): DateTime | add/subtract years |
| toRFC3339(): String | format with timezone offset |
| static now(tz?): DateTime | create DateTime with current time |
| static parseRFC3339(s): DateTime | parse RFC3339 string |
### Arithmetic and normalization