# Moment.js Format
Our [[Obsidian Plugins]] use [moment.js](https://momentjs.com/docs/#/displaying/format/) to format the date and time information.
## Tips
- Symbols such as `:` **cannot be used** in Obsidian as block IDs
- Square brackets `[]` match literal text
- Use `T` as literal time separator
- Common tokens: `YYYY` (year), `MM` (month), `DD` (day), `HH` (24h), `mm` (minutes)
- See [Moment.js docs](https://momentjs.com/docs/#/displaying/format/) for more tokens
## Examples
- Basic timestamp: `YYYY-MM-DD` (matches `2024-01-01`)
- With time: `YYYY-MM-DDTHH:mm` (matches `2024-01-01T10:30`)
- With prefix: `[📝 ]YYYY-MM-DD` (matches `📝 2024-01-01`)
- Multiple prefixes: `[📝 ]YYYY-MM-DDTHH:mm, [❎ ]YYYY-MM-DDTHH:mm`
More examples:
- `YYYYMMDDHHmmss` matches `20230101120030`
- `[[completion::]YYYY-MM-DD[]]` matches `[completion::2023-01-01]`
- `[📅 ]YYYY-MM-DD` matches `📅 2024-01-01`