Notion Databases | Time since Update Time | years, months, hours

notion.txt

((dateBetween(now(), prop("Update Time"), "hours")) > 0) ?
(
    (
        (dateBetween(now(), prop("Update Time"), "hours")) < 24
    ) ? (
        format((dateBetween(now(), prop("Update Time"), "hours"))) + (
            (
                (dateBetween(now(), prop("Update Time"), "hours")) % 24 == 1
            ) ? " hour": " hours")
    ): (
        (
            (dateBetween(now(), prop("Update Time"), "days")) < 62
        ) ? (
            format((dateBetween(now(), prop("Update Time"), "days"))) + (
                ((dateBetween(now(), prop("Update Time"), "days")) == 1) ? " day": " days"
            )
        ): (
            ((dateBetween(now(), prop("Update Time"), "years")) == 0) ? (
                format((dateBetween(now(), prop("Update Time"), "months")) % 12) + (
                    (
                        (dateBetween(now(), prop("Update Time"), "months")) % 12 == 0
                    ) ? "": (
                        (
                            (dateBetween(now(), prop("Update Time"), "months")) % 12 == 1) ? " month": " months")
                )
            ): (
                format((dateBetween(now(), prop("Update Time"), "years"))) + (
                    ((dateBetween(now(), prop("Update Time"), "years")) == 1) ? " year ": " years "
                ) + (
                    (
                        (dateBetween(now(), prop("Update Time"), "months")) % 12 == 0
                    ) ? "": (
                        format((dateBetween(now(), prop("Update Time"), "months")) % 12) + (
                            ((dateBetween(now(), prop("Update Time"), "months")) % 12 == 1) ? " month": " months")
                    )
                )
            )
        )
    )
): "less than an hour"

Normalize spaces with a browser url field, then copy-paste into a notion formula