About the time zone converter
The converter uses the built-in Intl time zone database, so daylight-saving transitions are handled by the browser.
Questions
Is anything uploaded?
No for this tool. The calculation or conversion runs in your browser.
Does it work on mobile?
Yes. The same workspace adapts to smaller screens and keeps the primary controls visible.
Is it free?
Yes. Simple Tools is designed as a free, fast utility suite.
Common conversions
Jump to a live pair — PST to EST, CST to EST, UTC to EST — or browse all time-zone conversions.