date-rs 1.6.1

Gregorian calendar date
Documentation 
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For tokens with default padding, the padding can be modified or suppressed with a modifier:

| Token Modifier   | Effect                                                           |
| ---------------- | ---------------------------------------------------------------- |
| `-` (e.g. `%-d`) | Suppress padding                                                 |
| `_` (e.g. `%_d`) | Use spaces for padding                                           |
| `0` (e.g. `%0d`) | Use zeroes for padding (currently the default for padded tokens) |