diff --git a/logger/options.go b/logger/options.go
index 170ee10d..4d083d81 100644
--- a/logger/options.go
+++ b/logger/options.go
@@ -5,6 +5,7 @@ import (
 	"io"
 	"log/slog"
 	"os"
+	"time"
 )
 
 // Option func signature
@@ -20,7 +21,6 @@ type Options struct {
 	Name string
 	// Fields holds additional metadata
 	Fields []interface{}
-
 	// CallerSkipCount number of frmaes to skip
 	CallerSkipCount int
 	// ContextAttrFuncs contains funcs that executed before log func on context
@@ -43,6 +43,8 @@ type Options struct {
 	AddSource bool
 	// The logging level the logger should log
 	Level Level
+	// TimeFunc used to obtain current time
+	TimeFunc func() time.Time
 }
 
 // NewOptions creates new options struct
@@ -55,6 +57,7 @@ func NewOptions(opts ...Option) Options {
 		Context:          context.Background(),
 		ContextAttrFuncs: DefaultContextAttrFuncs,
 		AddSource:        true,
+		TimeFunc:         time.Now,
 	}
 
 	WithMicroKeys()(&options)
@@ -129,6 +132,13 @@ func WithName(n string) Option {
 	}
 }
 
+// WithTimeFunc sets the func to obtain current time
+func WithTimeFunc(fn func() time.Time) Option {
+	return func(o *Options) {
+		o.TimeFunc = fn
+	}
+}
+
 func WithZapKeys() Option {
 	return func(o *Options) {
 		o.TimeKey = "@timestamp"
diff --git a/logger/slog/slog.go b/logger/slog/slog.go
index 483b1bc2..5095e06d 100644
--- a/logger/slog/slog.go
+++ b/logger/slog/slog.go
@@ -9,7 +9,6 @@ import (
 	"runtime"
 	"strconv"
 	"sync"
-	"time"
 
 	"go.unistack.org/micro/v3/logger"
 	"go.unistack.org/micro/v3/tracer"
@@ -159,7 +158,7 @@ func (s *slogLogger) Log(ctx context.Context, lvl logger.Level, attrs ...interfa
 	}
 	var pcs [1]uintptr
 	runtime.Callers(s.opts.CallerSkipCount, pcs[:]) // skip [Callers, Infof]
-	r := slog.NewRecord(time.Now(), loggerToSlogLevel(lvl), fmt.Sprintf("%s", attrs[0]), pcs[0])
+	r := slog.NewRecord(s.opts.TimeFunc(), loggerToSlogLevel(lvl), fmt.Sprintf("%s", attrs[0]), pcs[0])
 	for _, fn := range s.opts.ContextAttrFuncs {
 		attrs = append(attrs, fn(ctx)...)
 	}
@@ -198,7 +197,7 @@ func (s *slogLogger) Logf(ctx context.Context, lvl logger.Level, msg string, att
 	}
 	var pcs [1]uintptr
 	runtime.Callers(s.opts.CallerSkipCount, pcs[:]) // skip [Callers, Infof]
-	r := slog.NewRecord(time.Now(), loggerToSlogLevel(lvl), msg, pcs[0])
+	r := slog.NewRecord(s.opts.TimeFunc(), loggerToSlogLevel(lvl), msg, pcs[0])
 	for _, fn := range s.opts.ContextAttrFuncs {
 		attrs = append(attrs, fn(ctx)...)
 	}
@@ -237,7 +236,7 @@ func (s *slogLogger) Info(ctx context.Context, attrs ...interface{}) {
 	}
 	var pcs [1]uintptr
 	runtime.Callers(s.opts.CallerSkipCount, pcs[:]) // skip [Callers, Infof]
-	r := slog.NewRecord(time.Now(), slog.LevelInfo, fmt.Sprintf("%s", attrs[0]), pcs[0])
+	r := slog.NewRecord(s.opts.TimeFunc(), slog.LevelInfo, fmt.Sprintf("%s", attrs[0]), pcs[0])
 	for _, fn := range s.opts.ContextAttrFuncs {
 		attrs = append(attrs, fn(ctx)...)
 	}
@@ -258,7 +257,7 @@ func (s *slogLogger) Infof(ctx context.Context, msg string, attrs ...interface{}
 	}
 	var pcs [1]uintptr
 	runtime.Callers(s.opts.CallerSkipCount, pcs[:]) // skip [Callers, Infof]
-	r := slog.NewRecord(time.Now(), slog.LevelInfo, msg, pcs[0])
+	r := slog.NewRecord(s.opts.TimeFunc(), slog.LevelInfo, msg, pcs[0])
 	for _, fn := range s.opts.ContextAttrFuncs {
 		attrs = append(attrs, fn(ctx)...)
 	}
@@ -279,7 +278,7 @@ func (s *slogLogger) Debug(ctx context.Context, attrs ...interface{}) {
 	}
 	var pcs [1]uintptr
 	runtime.Callers(s.opts.CallerSkipCount, pcs[:]) // skip [Callers, Infof]
-	r := slog.NewRecord(time.Now(), slog.LevelDebug, fmt.Sprintf("%s", attrs[0]), pcs[0])
+	r := slog.NewRecord(s.opts.TimeFunc(), slog.LevelDebug, fmt.Sprintf("%s", attrs[0]), pcs[0])
 	for _, fn := range s.opts.ContextAttrFuncs {
 		attrs = append(attrs, fn(ctx)...)
 	}
@@ -300,7 +299,7 @@ func (s *slogLogger) Debugf(ctx context.Context, msg string, attrs ...interface{
 	}
 	var pcs [1]uintptr
 	runtime.Callers(s.opts.CallerSkipCount, pcs[:]) // skip [Callers, Infof]
-	r := slog.NewRecord(time.Now(), slog.LevelDebug, msg, pcs[0])
+	r := slog.NewRecord(s.opts.TimeFunc(), slog.LevelDebug, msg, pcs[0])
 	for _, fn := range s.opts.ContextAttrFuncs {
 		attrs = append(attrs, fn(ctx)...)
 	}
@@ -321,7 +320,7 @@ func (s *slogLogger) Trace(ctx context.Context, attrs ...interface{}) {
 	}
 	var pcs [1]uintptr
 	runtime.Callers(s.opts.CallerSkipCount, pcs[:]) // skip [Callers, Infof]
-	r := slog.NewRecord(time.Now(), slog.LevelDebug-1, fmt.Sprintf("%s", attrs[0]), pcs[0])
+	r := slog.NewRecord(s.opts.TimeFunc(), slog.LevelDebug-1, fmt.Sprintf("%s", attrs[0]), pcs[0])
 	for _, fn := range s.opts.ContextAttrFuncs {
 		attrs = append(attrs, fn(ctx)...)
 	}
@@ -342,7 +341,7 @@ func (s *slogLogger) Tracef(ctx context.Context, msg string, attrs ...interface{
 	}
 	var pcs [1]uintptr
 	runtime.Callers(s.opts.CallerSkipCount, pcs[:]) // skip [Callers, Infof]
-	r := slog.NewRecord(time.Now(), slog.LevelDebug-1, msg, pcs[0])
+	r := slog.NewRecord(s.opts.TimeFunc(), slog.LevelDebug-1, msg, pcs[0])
 	for _, fn := range s.opts.ContextAttrFuncs {
 		attrs = append(attrs, fn(ctx)...)
 	}
@@ -363,7 +362,7 @@ func (s *slogLogger) Error(ctx context.Context, attrs ...interface{}) {
 	}
 	var pcs [1]uintptr
 	runtime.Callers(s.opts.CallerSkipCount, pcs[:]) // skip [Callers, Infof]
-	r := slog.NewRecord(time.Now(), slog.LevelError, fmt.Sprintf("%s", attrs[0]), pcs[0])
+	r := slog.NewRecord(s.opts.TimeFunc(), slog.LevelError, fmt.Sprintf("%s", attrs[0]), pcs[0])
 	for _, fn := range s.opts.ContextAttrFuncs {
 		attrs = append(attrs, fn(ctx)...)
 	}
@@ -402,7 +401,7 @@ func (s *slogLogger) Errorf(ctx context.Context, msg string, attrs ...interface{
 	}
 	var pcs [1]uintptr
 	runtime.Callers(s.opts.CallerSkipCount, pcs[:]) // skip [Callers, Infof]
-	r := slog.NewRecord(time.Now(), slog.LevelError, msg, pcs[0])
+	r := slog.NewRecord(s.opts.TimeFunc(), slog.LevelError, msg, pcs[0])
 	for _, fn := range s.opts.ContextAttrFuncs {
 		attrs = append(attrs, fn(ctx)...)
 	}
@@ -441,7 +440,7 @@ func (s *slogLogger) Fatal(ctx context.Context, attrs ...interface{}) {
 	}
 	var pcs [1]uintptr
 	runtime.Callers(s.opts.CallerSkipCount, pcs[:]) // skip [Callers, Infof]
-	r := slog.NewRecord(time.Now(), slog.LevelError+1, fmt.Sprintf("%s", attrs[0]), pcs[0])
+	r := slog.NewRecord(s.opts.TimeFunc(), slog.LevelError+1, fmt.Sprintf("%s", attrs[0]), pcs[0])
 	for _, fn := range s.opts.ContextAttrFuncs {
 		attrs = append(attrs, fn(ctx)...)
 	}
@@ -463,7 +462,7 @@ func (s *slogLogger) Fatalf(ctx context.Context, msg string, attrs ...interface{
 	}
 	var pcs [1]uintptr
 	runtime.Callers(s.opts.CallerSkipCount, pcs[:]) // skip [Callers, Infof]
-	r := slog.NewRecord(time.Now(), slog.LevelError+1, msg, pcs[0])
+	r := slog.NewRecord(s.opts.TimeFunc(), slog.LevelError+1, msg, pcs[0])
 	for _, fn := range s.opts.ContextAttrFuncs {
 		attrs = append(attrs, fn(ctx)...)
 	}
@@ -485,7 +484,7 @@ func (s *slogLogger) Warn(ctx context.Context, attrs ...interface{}) {
 	}
 	var pcs [1]uintptr
 	runtime.Callers(s.opts.CallerSkipCount, pcs[:]) // skip [Callers, Infof]
-	r := slog.NewRecord(time.Now(), slog.LevelWarn, fmt.Sprintf("%s", attrs[0]), pcs[0])
+	r := slog.NewRecord(s.opts.TimeFunc(), slog.LevelWarn, fmt.Sprintf("%s", attrs[0]), pcs[0])
 	for _, fn := range s.opts.ContextAttrFuncs {
 		attrs = append(attrs, fn(ctx)...)
 	}
@@ -506,7 +505,7 @@ func (s *slogLogger) Warnf(ctx context.Context, msg string, attrs ...interface{}
 	}
 	var pcs [1]uintptr
 	runtime.Callers(s.opts.CallerSkipCount, pcs[:]) // skip [Callers, Infof]
-	r := slog.NewRecord(time.Now(), slog.LevelWarn, msg, pcs[0])
+	r := slog.NewRecord(s.opts.TimeFunc(), slog.LevelWarn, msg, pcs[0])
 	for _, fn := range s.opts.ContextAttrFuncs {
 		attrs = append(attrs, fn(ctx)...)
 	}
diff --git a/logger/slog/slog_test.go b/logger/slog/slog_test.go
index 8844f175..93c63c79 100644
--- a/logger/slog/slog_test.go
+++ b/logger/slog/slog_test.go
@@ -13,7 +13,7 @@ import (
 func TestError(t *testing.T) {
 	ctx := context.TODO()
 	buf := bytes.NewBuffer(nil)
-	l := NewLogger(logger.WithLevel(logger.ErrorLevel), logger.WithOutput(buf), logger.WithStacktrace(true))
+	l := NewLogger(logger.WithLevel(logger.ErrorLevel), logger.WithOutput(buf), logger.WithAddStacktrace(true))
 	if err := l.Init(); err != nil {
 		t.Fatal(err)
 	}
@@ -30,7 +30,7 @@ func TestError(t *testing.T) {
 func TestErrorf(t *testing.T) {
 	ctx := context.TODO()
 	buf := bytes.NewBuffer(nil)
-	l := NewLogger(logger.WithLevel(logger.ErrorLevel), logger.WithOutput(buf), logger.WithStacktrace(true))
+	l := NewLogger(logger.WithLevel(logger.ErrorLevel), logger.WithOutput(buf), logger.WithAddStacktrace(true))
 	if err := l.Init(); err != nil {
 		t.Fatal(err)
 	}