Types told apart
Pages that set side by side registry types a reader mistakes for one another, with what separates them and the rules finetype uses.
Unix timestamp: seconds, ms, µs or ns
How to tell a Unix timestamp in seconds from one in milliseconds, microseconds or nanoseconds: digit counts, the dates each reading gives, and the rules finetype uses.
Unix Timestamp (seconds) · Unix Timestamp (milliseconds) · Unix Timestamp (microseconds) · Unix Epoch Nanoseconds
ISO 8601 vs RFC 3339 timestamps
How to tell an ISO 8601 timestamp from an RFC 3339 one: a T or a space between date and time, a Z, an offset or no zone, what each standard allows, and the rules finetype uses.
ISO 8601 · ISO 8601 with Timezone Offset · ISO Datetime, second precision (no timezone) · ISO with Space Separator and Z · RFC 3339 (Space Separator)