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# InstantUtil

The `InstantUtil` class provides a set of utility methods for working with `Instant` objects, allowing you to format, parse, and extract various date and time components.

### Methods

**formatted(dateInstant: Instant): String**

* Returns the default formatted string representation of an Instant object using the workflow's default formatting.

```typescript
var formattedInstant = InstantUtil.formatted(Instant.now());
```

**format(dateInstant: Instant, format: String, timeZone?: String): String**

* Formats an Instant object using the specified format pattern.

```typescript
var instant = Instant.now();
var format = "yyyy-MM-dd HH:mm:ss";
var formattedInstant = InstantUtil.format(instant, format);
return "Formatted Instant: " + formattedInstant;
```

**parse(dateStr: String, format: String, timeZone?: String): Instant**

* Parses a string representing a date and time into an Instant object using the specified format pattern.

```typescript
var instantStr = "2023-10-24T15:30:00Z";
var format = "yyyy-MM-dd'T'HH:mm:ss'Z'";
var parsedInstant = InstantUtil.parse(instantStr, format);
return "Parsed Instant: " + parsedInstant;
```

**getYear(dateInstant: Instant): Integer**

* Gets the year component from the provided Instant.

```typescript
var year = InstantUtil.getYear(Instant.now());
```

**getDayOfYear(dateInstant: Instant): Integer**

* Gets the day of the year from the provided Instant.

```typescript
var dayOfYear = InstantUtil.getDayOfYear(Instant.now());
```

**getMonthName(dateInstant: Instant): String**

* Gets the name of the month from the provided Instant.

```typescript
var monthName = InstantUtil.getMonthName(Instant.now());
```

**getMonth(dateInstant: Instant): Integer**

* Gets the month component from the provided Instant.

```typescript
var month = InstantUtil.getMonth(Instant.now());
```

**getDayOfWeek(dateInstant: Instant): String**

* Gets the name of the day of the week from the provided Instant.

```typescript
var dayOfWeek = InstantUtil.getDayOfWeek(Instant.now());
```

**getDayOfMonth(dateInstant: Instant): Integer**

* Gets the day of the month from the provided Instant.

```typescript
var dayOfMonth = InstantUtil.getDayOfMonth(Instant.now());
```

**getHour(dateInstant: Instant): Integer**

* Gets the hour component from the provided Instant.

```typescript
var hour = InstantUtil.getHour(Instant.now());
```

**getMinute(dateInstant: Instant): Integer**

* Gets the minute component from the provided Instant.

```typescript
var minute = InstantUtil.getMinute(Instant.now());
```

**getSecond(dateInstant: Instant): Integer**

* Gets the second component from the provided Instant.

```typescript
var second = InstantUtil.getSecond(Instant now());
```

**getNano(dateInstant: Instant): Integer**

* Gets the nanoseconds within the second from the provided Instant.

```typescript
var nanoseconds = InstantUtil.getNano(Instant.now());
```

### Examples

**Example: Reformat a Date String**

**Description:** In this example, you have retrieved data with a date in a less user-friendly format, such as "2023-10-25T12:22:05.2247439Z." To improve data management and enhance readability, you will reformat the date information and introduce a new 'date' column.

Here we utilize several methods of InstantUtil: parse, getYear, getMonth, getDayOfMonth.

*Code:*

```java
// Reformat a Date String

// Parse the date string into an Instant
var instant = Instant.parse(datetime);

// Extract the year, month, and day components from the Instant
var year = InstantUtil.getYear(instant);
var month = InstantUtil.getMonth(instant);
var day = InstantUtil.getDayOfMonth(instant);

// Create a LocalDate object from the extracted components
var formattedDate = LocalDate.of(year, month, day);

// Now 'formattedDate' contains the date information in a structured, more readable format
```


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