# Which Problems Are Solved
Closes: #8757
Problem:
```sh
➜ ~ date --rfc-3339=seconds | sed 's/ /T/'
date: illegal option -- -
usage: date [-jnRu] [-I[date|hours|minutes|seconds]] [-f input_fmt]
[-r filename|seconds] [-v[+|-]val[y|m|w|d|H|M|S]]
[[[[mm]dd]HH]MM[[cc]yy][.SS] | new_date] [+output_fmt]
```
# How the Problems Are Solved
```sh
➜ date "+%Y-%m-%dT%T%z" | sed -E 's/.([0-9]{2})([0-9]{2})$/-\1:\2/'
2024-10-10T19:09:53-05:30
➜ TZ=America/Los_Angeles date "+%Y-%m-%dT%T%z" | sed -E 's/.([0-9]{2})([0-9]{2})$/-\1:\2/'
2024-10-10T06:39:41-07:00
```
- `Mac` support while compiling the source code locally
Co-authored-by: Stefan Benz <[email protected]>
