diff --git a/CHANGES.md b/CHANGES.md
index ad3f8e55..44848272 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,6 +2,7 @@
 
 * Change the `volumes` subcommand to handle sizes in GB.
 * Add `--checks-grace-period` to set the grace period for health checks, for example with `koyeb service update app/service --checks 8000:http:/healtcheck --checks-grace-period 8000=10`.
+* Add `--since` to `koyeb service logs`, `koyeb deployment logs` and `koyeb instance logs`.
 
 ## v4.2.0
 
diff --git a/docs/reference.md b/docs/reference.md
index 80fb4406..f985a677 100644
--- a/docs/reference.md
+++ b/docs/reference.md
@@ -1616,10 +1616,11 @@ koyeb services logs NAME [flags]
 ### Options
 
 ```
-  -a, --app string        Service application
-  -h, --help              help for logs
-      --instance string   Instance
-  -t, --type string       Type (runtime, build)
+  -a, --app string                Service application
+  -h, --help                      help for logs
+      --instance string           Instance
+      --since HumanFriendlyDate   Only return logs after this specific date (default 0001-01-01 00:00:00 +0000 UTC)
+  -t, --type string               Type (runtime, build)
 ```
 
 ### Options inherited from parent commands
@@ -2035,8 +2036,9 @@ koyeb deployments logs NAME [flags]
 ### Options
 
 ```
-  -h, --help          help for logs
-  -t, --type string   Type of log (runtime, build)
+  -h, --help                      help for logs
+      --since HumanFriendlyDate   Only return logs after this specific date (default 0001-01-01 00:00:00 +0000 UTC)
+  -t, --type string               Type of log (runtime, build)
 ```
 
 ### Options inherited from parent commands
@@ -2274,7 +2276,8 @@ koyeb instances logs NAME [flags]
 ### Options
 
 ```
-  -h, --help   help for logs
+  -h, --help                      help for logs
+      --since HumanFriendlyDate   Only return logs after this specific date (default 0001-01-01 00:00:00 +0000 UTC)
 ```
 
 ### Options inherited from parent commands
diff --git a/pkg/koyeb/dates/cobra.go b/pkg/koyeb/dates/cobra.go
new file mode 100644
index 00000000..4acffb4e
--- /dev/null
+++ b/pkg/koyeb/dates/cobra.go
@@ -0,0 +1,38 @@
+package dates
+
+import (
+	"time"
+
+	"github.com/araddon/dateparse"
+)
+
+// HumanFriendlyDate implements the pflag.Value interface to allow parsing dates in a human-friendly format.
+type HumanFriendlyDate struct {
+	Time time.Time
+}
+
+func (t *HumanFriendlyDate) String() string {
+	return t.Time.String()
+}
+
+func (t *HumanFriendlyDate) Set(value string) error {
+	// Try to parse the date using RFC3339 format
+	if parsed, err := time.Parse(time.RFC3339, value); err == nil {
+		t.Time = parsed
+		return nil
+	}
+
+	// Fall back to the dateparse library. Use dateparse.ParseStrict instead of
+	// dateparse.ParseAny to return an error in case of ambiguity, e.g.
+	// "01/02/03" could be interpreted as "January 2, 2003" or "February 1, 2003".
+	parsed, err := dateparse.ParseStrict(value)
+	if err != nil {
+		return err
+	}
+	t.Time = parsed
+	return nil
+}
+
+func (t *HumanFriendlyDate) Type() string {
+	return "HumanFriendlyDate"
+}
diff --git a/pkg/koyeb/deployments.go b/pkg/koyeb/deployments.go
index 00b7708e..6f8699d3 100644
--- a/pkg/koyeb/deployments.go
+++ b/pkg/koyeb/deployments.go
@@ -1,6 +1,7 @@
 package koyeb
 
 import (
+	"github.com/koyeb/koyeb-cli/pkg/koyeb/dates"
 	"github.com/spf13/cobra"
 )
 
@@ -46,15 +47,19 @@ func NewDeploymentCmd() *cobra.Command {
 	}
 	deploymentCmd.AddCommand(cancelDeploymentCmd)
 
+	var since dates.HumanFriendlyDate
 	logDeploymentCmd := &cobra.Command{
 		Use:     "logs NAME",
 		Aliases: []string{"l", "log"},
 		Short:   "Get deployment logs",
 		Args:    cobra.ExactArgs(1),
-		RunE:    WithCLIContext(h.Logs),
+		RunE: WithCLIContext(func(ctx *CLIContext, cmd *cobra.Command, args []string) error {
+			return h.Logs(ctx, cmd, since.Time, args)
+		}),
 	}
 	deploymentCmd.AddCommand(logDeploymentCmd)
 	logDeploymentCmd.Flags().StringP("type", "t", "", "Type of log (runtime, build)")
+	logDeploymentCmd.Flags().Var(&since, "since", "Only return logs after this specific date")
 	return deploymentCmd
 }
 
diff --git a/pkg/koyeb/deployments_logs.go b/pkg/koyeb/deployments_logs.go
index 1a10abdb..20909243 100644
--- a/pkg/koyeb/deployments_logs.go
+++ b/pkg/koyeb/deployments_logs.go
@@ -2,12 +2,13 @@ package koyeb
 
 import (
 	"fmt"
+	"time"
 
 	"github.com/koyeb/koyeb-cli/pkg/koyeb/errors"
 	"github.com/spf13/cobra"
 )
 
-func (h *DeploymentHandler) Logs(ctx *CLIContext, cmd *cobra.Command, args []string) error {
+func (h *DeploymentHandler) Logs(ctx *CLIContext, cmd *cobra.Command, since time.Time, args []string) error {
 	deployment, err := h.ResolveDeploymentArgs(ctx, args[0])
 	if err != nil {
 		return err
@@ -27,6 +28,7 @@ func (h *DeploymentHandler) Logs(ctx *CLIContext, cmd *cobra.Command, args []str
 		"",
 		deploymentDetail.Deployment.GetId(),
 		"",
+		since,
 		GetBoolFlags(cmd, "full"),
 	)
 	if err != nil {
diff --git a/pkg/koyeb/instances.go b/pkg/koyeb/instances.go
index cb717f5f..2e3aa384 100644
--- a/pkg/koyeb/instances.go
+++ b/pkg/koyeb/instances.go
@@ -1,6 +1,7 @@
 package koyeb
 
 import (
+	"github.com/koyeb/koyeb-cli/pkg/koyeb/dates"
 	"github.com/spf13/cobra"
 )
 
@@ -57,13 +58,17 @@ func NewInstanceCmd() *cobra.Command {
 	}
 	instanceCmd.AddCommand(cpInstanceCmd)
 
+	var since dates.HumanFriendlyDate
 	logInstanceCmd := &cobra.Command{
 		Use:     "logs NAME",
 		Aliases: []string{"l", "log"},
 		Short:   "Get instance logs",
 		Args:    cobra.ExactArgs(1),
-		RunE:    WithCLIContext(instanceHandler.Logs),
+		RunE: WithCLIContext(func(ctx *CLIContext, cmd *cobra.Command, args []string) error {
+			return instanceHandler.Logs(ctx, cmd, since.Time, args)
+		}),
 	}
+	logInstanceCmd.Flags().Var(&since, "since", "Only return logs after this specific date")
 	instanceCmd.AddCommand(logInstanceCmd)
 
 	return instanceCmd
diff --git a/pkg/koyeb/instances_logs.go b/pkg/koyeb/instances_logs.go
index f8a38737..cc6d50e2 100644
--- a/pkg/koyeb/instances_logs.go
+++ b/pkg/koyeb/instances_logs.go
@@ -2,12 +2,13 @@ package koyeb
 
 import (
 	"fmt"
+	"time"
 
 	"github.com/koyeb/koyeb-cli/pkg/koyeb/errors"
 	"github.com/spf13/cobra"
 )
 
-func (h *InstanceHandler) Logs(ctx *CLIContext, cmd *cobra.Command, args []string) error {
+func (h *InstanceHandler) Logs(ctx *CLIContext, cmd *cobra.Command, since time.Time, args []string) error {
 	instance, err := h.ResolveInstanceArgs(ctx, args[0])
 	if err != nil {
 		return err
@@ -26,6 +27,7 @@ func (h *InstanceHandler) Logs(ctx *CLIContext, cmd *cobra.Command, args []strin
 		"",
 		"",
 		instanceDetail.Instance.GetId(),
+		since,
 		GetBoolFlags(cmd, "full"),
 	)
 	if err != nil {
diff --git a/pkg/koyeb/logs.go b/pkg/koyeb/logs.go
index d6cf98cf..6f1f3e32 100644
--- a/pkg/koyeb/logs.go
+++ b/pkg/koyeb/logs.go
@@ -48,19 +48,21 @@ type WatchLogsQuery struct {
 	serviceId    string
 	deploymentId string
 	instanceId   string
+	since        time.Time
 	conn         *websocket.Conn
 	ticker       *time.Ticker
 	full         bool // Whether to display full IDs
 }
 
 func (client *LogsAPIClient) NewWatchLogsQuery(
-	logType string, serviceId string, deploymentId string, instanceId string, full bool,
+	logType string, serviceId string, deploymentId string, instanceId string, since time.Time, full bool,
 ) (*WatchLogsQuery, error) {
 	query := &WatchLogsQuery{
 		client:       client,
 		serviceId:    serviceId,
 		deploymentId: deploymentId,
 		instanceId:   instanceId,
+		since:        since,
 		full:         full,
 	}
 	switch logType {
@@ -134,6 +136,9 @@ func (query *WatchLogsQuery) Execute() (chan WatchLogsEntry, error) {
 	if query.instanceId != "" {
 		queryParams.Add("instance_id", query.instanceId)
 	}
+	if !query.since.IsZero() {
+		queryParams.Add("start", query.since.Format(time.RFC3339))
+	}
 	query.client.url.RawQuery = queryParams.Encode()
 
 	conn, _, err := websocket.DefaultDialer.Dial(query.client.url.String(), query.client.header)
diff --git a/pkg/koyeb/services.go b/pkg/koyeb/services.go
index 2dbe4f71..9bf55bba 100644
--- a/pkg/koyeb/services.go
+++ b/pkg/koyeb/services.go
@@ -7,6 +7,7 @@ import (
 	"strings"
 
 	"github.com/koyeb/koyeb-api-client-go/api/v1/koyeb"
+	"github.com/koyeb/koyeb-cli/pkg/koyeb/dates"
 	"github.com/koyeb/koyeb-cli/pkg/koyeb/errors"
 	"github.com/koyeb/koyeb-cli/pkg/koyeb/flags_list"
 	"github.com/sirupsen/logrus"
@@ -75,16 +76,20 @@ $> koyeb service create myservice --app myapp --docker nginx --port 80:tcp
 	getServiceCmd.Flags().StringP("app", "a", "", "Service application")
 	serviceCmd.AddCommand(getServiceCmd)
 
+	var since dates.HumanFriendlyDate
 	logsServiceCmd := &cobra.Command{
 		Use:     "logs NAME",
 		Aliases: []string{"l", "log"},
 		Short:   "Get the service logs",
 		Args:    cobra.ExactArgs(1),
-		RunE:    WithCLIContext(h.Logs),
+		RunE: WithCLIContext(func(ctx *CLIContext, cmd *cobra.Command, args []string) error {
+			return h.Logs(ctx, cmd, since.Time, args)
+		}),
 	}
 	logsServiceCmd.Flags().StringP("app", "a", "", "Service application")
 	logsServiceCmd.Flags().String("instance", "", "Instance")
 	logsServiceCmd.Flags().StringP("type", "t", "", "Type (runtime, build)")
+	logsServiceCmd.Flags().Var(&since, "since", "Only return logs after this specific date")
 	serviceCmd.AddCommand(logsServiceCmd)
 
 	listServiceCmd := &cobra.Command{
diff --git a/pkg/koyeb/services_logs.go b/pkg/koyeb/services_logs.go
index d700cef5..36949726 100644
--- a/pkg/koyeb/services_logs.go
+++ b/pkg/koyeb/services_logs.go
@@ -2,6 +2,7 @@ package koyeb
 
 import (
 	"fmt"
+	"time"
 
 	"github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
@@ -9,7 +10,7 @@ import (
 	"github.com/koyeb/koyeb-cli/pkg/koyeb/errors"
 )
 
-func (h *ServiceHandler) Logs(ctx *CLIContext, cmd *cobra.Command, args []string) error {
+func (h *ServiceHandler) Logs(ctx *CLIContext, cmd *cobra.Command, since time.Time, args []string) error {
 	serviceName, err := h.parseServiceName(cmd, args[0])
 	if err != nil {
 		return err
@@ -95,6 +96,7 @@ func (h *ServiceHandler) Logs(ctx *CLIContext, cmd *cobra.Command, args []string
 		serviceId,
 		deploymentId,
 		instanceId,
+		since,
 		GetBoolFlags(cmd, "full"),
 	)
 	if err != nil {