Time Converter NY
A focused time converter for New York time that helps professionals schedule across time zones with daylight saving awareness.

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About This Tool
This tool solves cross-zone time comparison anchored to New York time. It targets professionals, schedulers, travel planners, and teams coordinating with partners in multiple time zones where NY time serves as a baseline. Use when you need reliable, DST-aware conversions to or from America/New_York. Core scenarios include scheduling global meetings, coordinating deadlines, and aligning travel itineraries.
\n\nCore Logic & Features: The tool uses the IANA time zone database to compute precise offsets and DST adjustments. Required inputs are source_datetime, source_timezone, and target_timezone. Optional/advanced features include include_seconds and a DST resolution policy for ambiguous times. Outputs include converted_datetime (ISO 8601 with offset), source_offset, target_offset, and is_dst.
\n\nInputs & Outputs: Inputs: source_datetime (string; sample \"2025-04-01 09:30\"), source_timezone (string; sample \"America/New_York\"), target_timezone (string; sample \"UTC\"), include_seconds (boolean; optional). Validation ensures parseable datetime, valid IANA zones, and required fields. Outputs: converted_datetime (string; ISO 8601 with offset), source_offset (string; \"±HH:MM\"), target_offset (string; \"±HH:MM\"), is_dst (boolean).
\n\nAlgorithms & Calculations: Resolution relies on tzdb to determine offsets for the given date-time in both zones, applying DST rules when observe_dst is true. Examples: 2025-03-15 09:00 America/New_York → 2025-03-15T13:00:00Z; 2025-07-01 12:00 America/New_York → 2025-07-01T16:00:00+00:00. The tool outputs explicit source and target offsets for auditing and calendar integration.
\n\nError & Edge Cases: Invalid datetime format or unknown time zones produce explicit, non-UI error signals. Missing inputs trigger input validation errors. Ambiguous times during DST transitions can default to a policy (earliest or latest) unless overridden by advanced settings. If external tz data is unavailable, the tool falls back to cached offsets with a warning flag.
\n\nIndustry/Region & Localization: Uses ISO 8601 for datetime representation and IANA time zones. Default region is US/Eastern; supports global zones and UTC. Outputs are suitable for calendar data exchange (ICS/Calendar APIs) and regional scheduling norms.
\n\nAssumptions & Exclusions: Assumes Gregorian calendar dates and 24-hour clock inputs. Not a calendar event creator. Does not provide scheduling recommendations or locale-specific date formatting beyond ISO 8601 with offset.
How to Use
1. Provide inputs: source_datetime, source_timezone, target_timezone.
2. Optional: set include_seconds and DST observation.
3. Run conversion to compute converted_datetime and offsets.
4. Review outputs: converted_datetime, source_offset, target_offset, is_dst.
5. Copy or export results for calendars or reminders.

FAQs/Additional Resources
Find Quick Answers
What formats are supported for input?
Does it handle DST?
What happens if a time is ambiguous?
Which time zones are supported?
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