diff --git a/cmd/ttt/fmt.go b/cmd/ttt/fmt.go
index e064542..c44b490 100644
--- a/cmd/ttt/fmt.go
+++ b/cmd/ttt/fmt.go
@@ -15,7 +15,7 @@ func fmtDate(d time.Time) string {
 }
 
 func fmtTime(d time.Time) string {
-	return d.Format("Mon 2006-01-02 15:04:05")
+	return d.Format("Mon 2006-01-02 15:04")
 }
 
 func fmtDurationTrim(d time.Duration, style durationFmt) string {
@@ -39,3 +39,16 @@ func fmtDuration(d time.Duration, style durationFmt) string {
 	}
 	return d.String()
 }
+
+func parseTime(arg string) (time.Time, error) {
+	var t time.Time
+	var err error
+	if len(arg) > 5 {
+		t, err = time.Parse("2006-01-02 15:04", arg)
+	} else {
+		today := time.Now()
+		t, err = time.Parse("15:04", arg)
+		t = t.AddDate(today.Year(), int(today.Month())-1, today.Day()-1)
+	}
+	return t, err
+}
diff --git a/cmd/ttt/fmt_test.go b/cmd/ttt/fmt_test.go
index c98f321..ddb0a09 100644
--- a/cmd/ttt/fmt_test.go
+++ b/cmd/ttt/fmt_test.go
@@ -5,6 +5,7 @@
 package main
 
 import (
+	"fmt"
 	"testing"
 	"time"
 )
@@ -46,3 +47,24 @@ func TestFmtDurationNegative(t *testing.T) {
 		t.Errorf("expected: '-1.03' got:'%s'", str)
 	}
 }
+
+func TestParseTodayTime(t *testing.T) {
+	now := time.Now()
+	d, _ := parseTime("10:00")
+	fmt.Println(d)
+	if d.Year() != now.Year() || d.Month() != now.Month() || d.Day() != now.Day() {
+		t.Errorf("expected todays date: '%s' got: '%s'", now, d)
+	}
+	dfmt := d.Format("15:04:05.999999999Z07:00")
+	if dfmt != "10:00:00Z" {
+		t.Errorf("expected: '10:00:00Z', got: '%s'", dfmt)
+	}
+}
+
+func TestParseDateTime(t *testing.T) {
+	d, _ := parseTime("2022-03-19 10:00")
+	dfmt := d.Format(time.RFC3339Nano)
+	if dfmt != "2022-03-19T10:00:00Z" {
+		t.Errorf("expected: '2022-03-19T10:00:00Z', got: '%s'", dfmt)
+	}
+}
diff --git a/cmd/ttt/main.go b/cmd/ttt/main.go
index 2e9c113..81276b3 100644
--- a/cmd/ttt/main.go
+++ b/cmd/ttt/main.go
@@ -5,6 +5,7 @@
 package main
 
 import (
+	"errors"
 	"flag"
 	"fmt"
 	"os/user"
@@ -82,9 +83,24 @@ func parseCmd() (command, appCtx) {
 				app.durationFmt = hours
 			case "decimal":
 				app.durationFmt = decimal
+			default:
+				return errors.New("Unrecognized duration format. Please use clock|hours|decimal")
 			}
 			return nil
 		})
+	flag.Func("time", "specify record start or end time with 1m resolution. format=now|HH:mm|YYYY-MM-DD HH:mm (default \"now\" with specified resolution)",
+		func(arg string) error {
+			if arg == "now" {
+				app.opTime = time.Now().Round(time.Minute)
+			}
+			if len(arg) > 5 {
+				app.opTime, err = time.Parse("2006-01-02 15:04", arg)
+			} else {
+				app.opTime, err = time.Parse("15:04", arg)
+			}
+			return err
+		})
+	flag.DurationVar(&app.resolution, "resolution", 15*time.Minute, "specify the resolution the input timestamps should be rounded to.")
 	flag.Usage = func() {
 		w := flag.CommandLine.Output()
 		fmt.Fprint(w, usage)
@@ -93,8 +109,10 @@ func parseCmd() (command, appCtx) {
 	flag.Parse()
 
 	cmd := defaultCmd
-	if flag.NArg() >= 1 {
+	if flag.NArg() == 1 {
 		cmd = command(flag.Arg(0))
+	} else if flag.NArg() > 1 {
+		quitParamErr("Unrecognized arguments after command: " + fmt.Sprint(flag.Args()[1:]))
 	}
 	return cmd, app
 }
diff --git a/cmd/ttt/terminal.go b/cmd/ttt/terminal.go
index d90844c..1f5fa36 100644
--- a/cmd/ttt/terminal.go
+++ b/cmd/ttt/terminal.go
@@ -21,6 +21,9 @@ type appCtx struct {
 	*ttt.TimeTrackingDb
 
 	durationFmt
+	resolution time.Duration
+
+	opTime time.Time
 }
 type durationFmt int
 
@@ -33,6 +36,7 @@ const (
 func (app *appCtx) Init() {
 	var err error
 	app.TimeTrackingDb, err = ttt.LoadDb(app.filename)
+	app.opTime = app.cleanDts(time.Now())
 	quitErr(err)
 }
 func (app *appCtx) InitEmpty() {
@@ -41,11 +45,11 @@ func (app *appCtx) InitEmpty() {
 	quitErr(err)
 }
 func (app *appCtx) Start() {
-	err := app.StartRecord(time.Now())
+	err := app.StartRecord(app.opTime)
 	quitErr(err)
 }
 func (app *appCtx) End() {
-	err := app.EndRecord(time.Now())
+	err := app.EndRecord(app.opTime)
 	quitErr(err)
 }
 
@@ -53,15 +57,15 @@ func (app *appCtx) Status() {
 	rec, err := app.GetCurrentRecord()
 	quitErr(err)
 	if rec == (ttt.Record{}) {
-		fmt.Println("No records have been tracked yet. Use `ttt start` to begin your first time tracking record.")
+		fmt.Println("No records have been tracked yet. Use `ttt start` to begin a new record.")
 	} else if rec.Active() {
 		duration := time.Now().Sub(*rec.Start)
-		fmt.Printf("Current record is active for %s (since %s)\n", fmtDurationTrim(duration, app.durationFmt), fmtTime(*rec.Start))
+		fmt.Printf("Current record is active since %s, (%s)\n", fmtTime(*rec.Start), fmtDurationTrim(duration, app.durationFmt))
 		fmt.Println("Use `ttt end` to end the record.")
 	} else {
 		duration := rec.End.Sub(*rec.Start)
 		fmt.Println("No record is active at the moment. Use `ttt start` to begin a new record.")
-		fmt.Printf("Last record was active for %s (from %s to %s )\n", fmtDurationTrim(duration, app.durationFmt), fmtTime(*rec.Start), fmtTime(*rec.End))
+		fmt.Printf("Last record was active from %s to %s, (%s)\n", fmtTime(*rec.Start), fmtTime(*rec.End), fmtDurationTrim(duration, app.durationFmt))
 	}
 }
 
@@ -136,3 +140,7 @@ func (app *appCtx) totalRow(worked, saldo time.Duration) table.Row {
 		fmtDuration(saldo, app.durationFmt),
 	}
 }
+
+func (app *appCtx) cleanDts(dts time.Time) time.Time {
+	return dts.Round(app.resolution)
+}
diff --git a/cmd/ttt/util.go b/cmd/ttt/util.go
index 8463b98..c4a31ba 100644
--- a/cmd/ttt/util.go
+++ b/cmd/ttt/util.go
@@ -6,6 +6,7 @@ package main
 
 import (
 	"bufio"
+	"flag"
 	"fmt"
 	"os"
 	"strings"
@@ -19,6 +20,12 @@ func quitErr(err error) {
 	os.Exit(1)
 }
 
+func quitParamErr(err string) {
+	fmt.Println(err)
+	flag.Usage()
+	os.Exit(2)
+}
+
 func isFile(filename string) bool {
 	info, err := os.Stat(filename)
 	if err != nil {
diff --git a/record.go b/record.go
index afc3e16..df15abc 100644
--- a/record.go
+++ b/record.go
@@ -36,7 +36,6 @@ func (t *TimeTrackingDb) StartRecord(dts time.Time) error {
 	if rec.Active() {
 		return fmt.Errorf("%w", ActiveRecordExistsError)
 	} else {
-		dts = t.cleanDts(dts)
 		rec.Start = &dts
 		_, err := t.db.Exec("INSERT INTO records (start) VALUES(?);", rec.Start)
 		return err
@@ -49,7 +48,6 @@ func (t *TimeTrackingDb) EndRecord(dts time.Time) error {
 		return err
 	}
 	if rec.Active() {
-		dts = t.cleanDts(dts)
 		rec.End = &dts
 		_, err := t.db.Exec("UPDATE records SET end=? WHERE rowid=?;", rec.End, rec.id)
 		return err
@@ -67,7 +65,3 @@ func (t *TimeTrackingDb) GetCurrentRecord() (Record, error) {
 	}
 	return rec, err
 }
-
-func (t *TimeTrackingDb) cleanDts(dts time.Time) time.Time {
-	return dts.Round(t.config.inputResolution)
-}
diff --git a/record_test.go b/record_test.go
index 1f77e3a..cf2e64f 100644
--- a/record_test.go
+++ b/record_test.go
@@ -12,7 +12,7 @@ import (
 func TestStartNewRecord(t *testing.T) {
 	tdb := withDb("someRecords.csv", t)
 	defer tdb.Close()
-	err := tdb.StartRecord(parseTime("2022-02-02T09:17:02+01:00"))
+	err := tdb.StartRecord(parseTime("2022-02-02T09:15:00+01:00"))
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -33,7 +33,7 @@ func TestStartRecordAllreadyActive(t *testing.T) {
 func TestEndRecord(t *testing.T) {
 	tdb := withDb("someRecordsWithStartNew.csv", t)
 	defer tdb.Close()
-	err := tdb.EndRecord(parseTime("2022-02-02T17:59:00+01:00"))
+	err := tdb.EndRecord(parseTime("2022-02-02T18:00:00+01:00"))
 	if err != nil {
 		t.Fatal(err)
 	}
diff --git a/schema.go b/schema.go
index b211165..065ebae 100644
--- a/schema.go
+++ b/schema.go
@@ -84,7 +84,6 @@ func schemaPatches() []schemaPatch {
 	return []schemaPatch{
 		{
 			"CREATE TABLE config (property text, value text);",
-			"INSERT INTO config VALUES('input_resolution', '15m');",
 			"INSERT INTO config VALUES('break_threshold', '6h'), ('break_deduction', '30m');",
 			"INSERT INTO config VALUES('monday_hours', '7h 42m');",
 			"INSERT INTO config VALUES('tuesday_hours', '7h 42m');",
diff --git a/ttt.go b/ttt.go
index 8b5c498..b2b0b24 100644
--- a/ttt.go
+++ b/ttt.go
@@ -22,11 +22,10 @@ type TimeTrackingDb struct {
 }
 
 type timeTrackingConfig struct {
-	inputResolution time.Duration
-	breakThreshold  time.Duration
-	breakDeduction  time.Duration
-	workingHours    [7]time.Duration
-	holidays        string
+	breakThreshold time.Duration
+	breakDeduction time.Duration
+	workingHours   [7]time.Duration
+	holidays       string
 }
 
 func LoadDb(filename string) (*TimeTrackingDb, error) {
@@ -79,8 +78,6 @@ func (t *TimeTrackingDb) loadConfig() error {
 		}
 
 		switch property {
-		case "input_resolution":
-			t.config.inputResolution, errs = parseDuration(value, errs)
 		case "break_deduction":
 			t.config.breakDeduction, errs = parseDuration(value, errs)
 		case "break_threshold":