date relative date helper using absolute units
date relative date helper using absolute units


Former-commit-id: ddc950f12e0c803ddf7f85eb64c71888e69d8c69 [formerly c420a9edaf50d50f95adf6a3a5a15ba9d47fa08a]
Former-commit-id: 15f75e8dd938c40e4ab4035cb85e5dca9b4b8ab8
andrewplummer/Sugar,andrewplummer/Sugar,romancow/Sugar,romancow/Sugar