Date/Time Normalizer
Detects mixed or odd date formats — Excel serials, Unidata internal values, DD/MM vs MM/DD ambiguity — and converts a column to ISO 8601.
1 · File
Click to choose or drag a file here (.csv or .xlsx)
AD SLOT — 728×90 or responsive unit renders here (e.g. Google AdSense)
About this tool
Detects mixed date formats — Excel serials, epoch, DD/MM vs MM/DD — and converts a column to ISO 8601.