time

const (
	// DateFormat is the canonical YYYY-MM-DD date layout for time.Parse.
	DateFormat = "2006-01-02"
	// DateTimeFormat is DateFormat with hours and minutes (HH:MM).
	DateTimeFormat = "2006-01-02 15:04"
	// DateTimePreciseFormat is DateFormat with hours, minutes, and seconds.
	DateTimePreciseFormat = "2006-01-02 15:04:05"
	// Format is the hours:minutes:seconds layout for timestamps.
	Format = "15:04:05"
	// TimestampCompact is the YYYYMMDD-HHMMSS layout used in entry headers
	// and task timestamps (e.g., 2026-01-28-143022).
	TimestampCompact = "2006-01-02-150405"
)

const (
	// DateHyphenPos1 is the index of the first hyphen (after YYYY).
	DateHyphenPos1 = 4
	// DateHyphenPos2 is the index of the second hyphen (after MM).
	DateHyphenPos2 = 7
)

const DateMinLen = len(DateFormat)

const (
	// HoursPerDay is the number of hours in a day for duration calculations.
	HoursPerDay = 24
)

const InclusiveUntilOffset = 24*time.Hour - time.Second

const OlderFormat = "Jan 2, 2006"