First Release (Fixes)

Fix the issue with the startDate and endDate method

First Release

• Flexible period creation and manipulation with customizable precision (minute to year)
• Interval generation for recurring events (e.g., "every 3 days")
• Comprehensive period comparisons (overlaps, contains, adjacent)
• Precise start/end date handling with various time units
• Advanced operations like symmetric differences and unions between periods
• Adjacent period detection for seamless time range management
• Extensive utility functions for common date operations and formatting