---
title: Date & time formats
layout: 2017/sheet
weight: -5
updated: 2017-09-04
---

### Common time formats
{: .-one-column}

- [UNIX](#unix) - Used by Ruby, `date`, and more
- [Moment.js](#moment-js) - Used by Moment.js, date-fns, and more

## UNIX
{: .-three-column}

### Presets

#### Date

| Example         | Output                 |
| ---             | ---                    |
| `%m/%d/%Y`      | `06/05/2013`           |
| `%A, %B %e, %Y` | `Sunday, June 5, 2013` |
| `%b %e %a`      | `Jun 5 Sun`            |
{: .-shortcuts}

#### Time

| Example         | Output                 |
| ---             | ---                    |
| `%H:%M`         | `23:05`                |
| `%I:%M %p`      | `11:05 PM`             |
{: .-shortcuts}

Used by Ruby, UNIX `date`, and many more.

### Date

| Symbol | Example                  | Area        |
| ---    | ---                      | ---         |
| `%a`   | `Sun`                    | **Weekday** |
| `%A`   | `Sunday`                 |             |
| `%w`   | `0`..`6` _(Sunday is 0)_ |             |
| ---    | ---                      | ---         |
| `%y`   | `13`                     | **Year**    |
| `%Y`   | `2013`                   |             |
| ---    | ---                      | ---         |
| `%b`   | `Jan`                    | **Month**   |
| `%B`   | `January`                |             |
| `%m`   | `01`..`12`               |             |
| ---    | ---                      | ---         |
| `%d`   | `01`..`31`               | **Day**     |
| `%e`   | `1`..`31`                |             |
{: .-shortcuts}

### Time

| Symbol | Example      | Area                |
| ---    | ---          | ---                 |
| `%l`   | `1`          | Hour                |
| `%H`   | `00`..`23`   | 24h Hour            |
| `%I`   | `01`..`12`   | 12h Hour            |
| --     | ---          | ---                 |
| `%M`   | `00`..`59`   | Minute              |
| `%S`   | `00`..`60`   | Second              |
| ---    | ---          | ---                 |
| `%p`   | `AM`         | AM or PM            |
| `%Z`   | `+08`        | Time zone           |
| ---    | ---          | ---                 |
| `%j`   | `001`..`366` | Day of the year     |
| `%%`   | `%`          | Literal % character |
{: .-shortcuts}


## Moment.js
{: .-three-column}

### Examples

#### Date

| Example              | Output                             |
| ---                  | ---                                |
| `YYYY-MM-DD`         | `2014-01-01`                       |
| `dddd, MMMM Do YYYY` | `Friday, May 16th 2014`            |
{: .-shortcuts}

#### Time

| Example              | Output                             |
| ---                  | ---                                |
| `hh:mm a`            | `12:30 pm`                         |
{: .-shortcuts}

Used by [Moment.js](http://momentjs.com/docs/#/displaying/) and [date-fns/format](https://date-fns.org/v1.28.5/docs/format). Similar to Java [SimpleDateFormat](https://docs.oracle.com/javase/7/docs/api/java/text/SimpleDateFormat.html).

### Date

| Symbol | Example                 | Area             |
| ---    | ---                     | ---              |
| `d`    | `0`..`6`                | **Weekday**      |
| `dd`   | `Su`                    |                  |
| `ddd`  | `Sun`                   |                  |
| `dddd` | `Sunday`                |                  |
| ---    | ---                     | ---              |
| `YY`   | `13`                    | **Year**         |
| `YYYY` | `2013`                  |                  |
| ---    | ---                     | ---              |
| `M`    | `1`..`12` _(Jan is 1)_  | **Month**        |
| `Mo`   | `1st`..`31st`           |                  |
| `MM`   | `01`..`12` _(Jan is 1)_ |                  |
| `MMM`  | `Jan`                   |                  |
| `MMMM` | `January`               |                  |
| ---    | ---                     | ---              |
| `Q`    | `1`..`4`                | **Quarter**      |
| `Qo`   | `1st`..`4th`            |                  |
| ---    | ---                     | ---              |
| `D`    | `1`..`31`               | **Day**          |
| `Do`   | `1st`..`31st`           |                  |
| `DD`   | `01`..`31`              |                  |
| ---    | ---                     | ---              |
| `DDD`  | `1`..`365`              | **Day of year**  |
| `DDDo` | `1st`..`365th`          |                  |
| `DDDD` | `001`..`365`            |                  |
| ---    | ---                     | ---              |
| `w`    | `1`..`53`               | **Week of year** |
| `wo`   | `1st`..`53rd`           |                  |
| `ww`   | `01`..`53`              |                  |
{: .-shortcuts}

### Time

| Symbol | Example      | Area                       |
| ---    | ---          | ---                        |
| `H`    | `0`..`23`    | **24h hour**               |
| `HH`   | `00`..`23`   |                            |
| ---    | ---          | ---                        |
| `h`    | `1`..`12`    | **12h hour**               |
| `hh`   | `01`..`12`   |                            |
| ---    | ---          | ---                        |
| `m`    | `0`..`59`    | **Minutes**                |
| `mm`   | `00`..`59`   |                            |
| ---    | ---          | ---                        |
| `s`    | `0`..`59`    | **Seconds**                |
| `ss`   | `00`..`59`   |                            |
| ---    | ---          | ---                        |
| `a`    | `am`         | **AM/PM**                  |
| `A`    | `AM`         |                            |
| ---    | ---          | ---                        |
| `Z`    | `+07:00`     | **Timezone offset**        |
| `ZZ`   | `+0730`      |                            |
| ---    | ---          | ---                        |
| `S`    | `0`..`9`     | Deciseconds                |
| `SS`   | `00`..`99`   | Centiseconds               |
| `SSS`  | `000`..`999` | Milliseconds               |
| ---    | ---          | ---                        |
| `X`    |              | Unix timestamp             |
| `x`    |              | Millisecond Unix timestamp |
{: .-shortcuts}

### Presets

| Example              | Output                             |
| ---                  | ---                                |
| `LT`                 | `8:30 PM`                          |
| `LTS`                | `8:30:25 PM`                       |
| ---                  | ---                                |
| `LL`                 | `August 2 1985`                    |
| `ll`                 | `Aug 2 1985`                       |
| ---                  | ---                                |
| `LLL`                | `August 2 1985 08:30 PM`           |
| `lll`                | `Aug 2 1985 08:30 PM`              |
| ---                  | ---                                |
| `LLLL`               | `Thursday, August 2 1985 08:30 PM` |
| `llll`               | `Thu, Aug 2 1985 08:30 PM`         |
{: .-shortcuts}