Dates and times

Dates

The format is M/D/YYYY. Single-digit months and days do not carry a leading zero.

Rule	✅ Do	❌ Don’t
No leading zero on single-digit months or days	`2/1/2020`	`02/01/2020`

Filtering of dates

When a user filters data by date, the filter’s displayed label is not always the same as the option they selected. Six of the eleven presets display their own name; the “Current” presets display as “This”.

Selection	Display for filter
Today	Today
Yesterday	Yesterday
Last 7 Days & Today	Last 7 Days & Today
Last 7 Days	Last 7 Days
Last 30 Days & Today	Last 30 Days & Today
Last 30 Days	Last 30 Days
Current Month	This Month
Last Month	Last Month
Current Quarter	This Quarter
Last Quarter	Last Quarter
This Year	This Year
Custom Date Range	`[START DATE] - [END DATE]` Ex) `12/12/2020 - 12/15/2020`

“Current” in the picker becomes “This” in the filter label — for Month and Quarter, but not for Year, which is already “This Year” in both. The asymmetry is in the source documentation and is preserved here. If it is unintentional, fix the picker rather than this table.

Times

The format is h:mmam / h:mmpm — no space before the meridiem, lowercase, no leading zero on the hour.

Rule	✅ Do	❌ Don’t
Lowercase `am` and `pm`	`11:30am`	`12:20AM`
No leading zero on single-digit hours	`1:30am`	`02:20pm`

Timestamps

When a comment is posted, a timestamp shows how long ago it happened.

Timeframe	Text to display
Less than 1 minute ago	Less than 1 minute ago
Less than 1 hour ago	2 minutes – 59 minutes ago
Less than 1 day ago	1 hour – 23 hours ago
Less than 1 week ago	1 day – 6 days ago
More than 1 week ago	`[DATE]` Ex) `12/12/2020`

This table is transcribed exactly, and it does not mean what it appears to mean.The right-hand column is labeled “Text to display,” but rows 2–4 contain ranges rather than display strings. No interface renders the literal string “2 minutes – 59 minutes ago.”Read as intended, the right-hand column describes the bucket boundary and the actual output is a count plus a unit:

Elapsed	Renders as
< 1 minute	`Less than 1 minute ago`
1–59 minutes	`{n} minutes ago`
1–23 hours	`{n} hours ago`
1–6 days	`{n} days ago`
≥ 7 days	The date, `M/D/YYYY`

That reconstruction is an inference, not the source. It needs confirmation against shipped behavior before it becomes the documented rule — in particular whether the singular forms read “1 minute ago” or “1 minutes ago,” which the source does not say.

Constraints

ID	Constraint	Rationale
TITAN-DATE-01	Dates render as `M/D/YYYY` with no leading zero on month or day.	Consistency; leading zeros add width without adding information.
TITAN-DATE-02	Date filter labels use the “Display for filter” column, not the picker’s option text.	The picker says “Current Month”; the applied filter reads “This Month”.
TITAN-DATE-03	Custom ranges render as `[START] - [END]` using the same `M/D/YYYY` format on both ends.	A range with two different formats reads as two unrelated values.
TITAN-TIME-01	Meridiem is lowercase, with no space before it.	`11:30am`, not `11:30 AM`.
TITAN-TIME-02	Times have no leading zero on single-digit hours.	Matches TITAN-DATE-01.
TITAN-TIME-03	Relative timestamps switch to an absolute date at 7 days.	Past a week, “43 days ago” requires the reader to do arithmetic to place the event.

Gaps in the current rules

Dates and times: open issues

Divergences, open decisions, and undocumented gaps for Dates and times.

Why it works this way

No leading zeros trades a small amount of column alignment for reduced visual noise. It is the right trade in an interface where dates appear inline in prose and in dense tables; it is the wrong trade in a fixed-width export. If date columns need to align, the alignment belongs to the table cell, not to the format. Relative timestamps stop at a week because relative time is only useful while the reader can convert it without effort. “3 hours ago” is immediately meaningful. “43 days ago” is arithmetic, and worse, it decays — the same comment reads differently every day, which makes it unquotable in a support ticket.

​Dates

​Filtering of dates

​Times

​Timestamps

​Constraints

​Gaps in the current rules

Dates and times: open issues

​Why it works this way

Dates

Filtering of dates

Times

Timestamps

Constraints

Gaps in the current rules

Why it works this way