At last I solved my problem, apparently morphilines have a problem with high precision dates, they simply eliminate the accuracy after seconds and worked correctly:   { convertTimestamp { field : fechaError inputFormats : ["yyyy-MM-dd'T'HH:mm:ss.SSS", "yyyy-MM-dd"] inputTimezone : America/Bogota outputFormat : "yyyy-MM-dd'T'HH:mm:ss'Z'" outputTimezone : UTC } } ... View more