# Blog Post Date Management - Quick Reference

**Last Updated:** 2026-01-12

Quick reference guide for common date management tasks.

## Common Tasks

### Check All Dates
```bash
php v2/scripts/blog/validate-post-dates.php
```

### Fix Date Formats
```bash
php v2/scripts/blog/fix-post-dates.php
```

### Sync Dates from File Modification Time
```bash
php v2/scripts/blog/sync-dates-from-filemtime.php --dry-run  # Preview
php v2/scripts/blog/sync-dates-from-filemtime.php            # Apply
```

### Detect Content Changes
```bash
php v2/scripts/blog/detect-content-changes.php --update
```

### Generate Date Report
```bash
php v2/scripts/blog/generate-date-report.php                 # Text
php v2/scripts/blog/generate-date-report.php --format=csv     # CSV
php v2/scripts/blog/generate-date-report.php --format=html    # HTML
```

### Test Implementation
```bash
php v2/scripts/blog/test-date-implementation.php              # All posts
php v2/scripts/blog/test-date-implementation.php --post=slug --category=lexikon
```

## Date Format

**Required:** `YYYY-MM-DDTHH:MM:SS+00:00`

**Example:** `2026-01-10T18:01:59+00:00`

## When Dates Show in UI

Updated date shows if:
- `modified_date` exists
- `modified_date` is 7+ days after `publication_date`

## Scripts Location

All scripts: `v2/scripts/blog/`

## Full Documentation

See [DATE_MANAGEMENT_GUIDE.md](DATE_MANAGEMENT_GUIDE.md) for complete documentation.