Keep it practical
Record events close to when they occur, use exact measurements when practical, keep estimation methods consistent and review entries before generating a report. A shorter complete diary is often more useful than a longer diary with many gaps.
Remember: Accuracy does not require perfection. Note uncertainty rather than inventing precision.
Using Vayru
Vayru is designed to reduce the effort of regular recording and organise entries into clearer summaries. Use only the tracking options that are relevant to you.