Date & Time
Date, time, and timestamp formatting templates
ISO 8601 Date Format
Standard YYYY-MM-DD date format for international compatibility.
ISO 8601 DateTime (UTC)
Complete ISO 8601 timestamp with Zulu (UTC) designation.
Unix Timestamp (Epoch)
The number of seconds that have elapsed since January 1, 1970 (UTC).
RFC 2822 (Email Date)
Date format used in email headers and HTTP responses.
Relative Time Patterns
Human-readable relative time strings like "2 hours ago".
ISO 8601 Duration
Representing a length of time (duration) using ISO 8601.
Cron to Human Readable
Common cron expressions with their human-friendly equivalents.
Business Days (Mon-Fri)
Calculating dates and differences excluding weekends.
Exact Age Calculation
Patterns for calculating age based on birthdate and current date.
Time Zone Abbreviations
Common timezone codes and their offsets from UTC.
Daylight Saving Patterns
When and how clocks change for summer/winter time.
Date Range Formatting
Clean ways to display start and end dates/times.
Calendar Week (ISO)
How to calculate the current week number (1-53).
Fiscal Quarter Ranges
Defining financial periods Q1, Q2, Q3, and Q4.
RFC 3339 Date Standard
A profile of ISO 8601 used for internet protocols.