HL7 v2 Timestamp Normalizer
Converts HL7 DT and DTM values to ISO 8601 while keeping their precision.
Clinical safety notice: Zero real patient data (PHI/PII) may be entered into this browser utility. Use synthetic test payloads only. Local-first deterministic processing; nothing leaves your browser.
How it works
Standard: HL7 v2 DT/DTM to ISO 8601
Formula: YYYY[MM[DD[HH[MM[SS[.S]]]]]][+/-ZZZZ] to YYYY-MM-DDThh:mm:ss.s+hh:mm, precision preserved
Checks: Month 1-12; day valid for month; hour 0-23; minute and second 0-59; missing timezone flagged
Calculated locally in browser memory; nothing leaves your browser.
Deterministic local-first client-side execution. Provided as-is without warranty.