diff --git a/go.mod b/go.mod
index 900c1a6..ed258fb 100644
--- a/go.mod
+++ b/go.mod
@@ -15,7 +15,7 @@ require (
 )
 
 require (
-	github.com/bytedance/sonic v1.11.1 // indirect
+	github.com/bytedance/sonic v1.11.2 // indirect
 	github.com/chenzhuoyu/base64x v0.0.0-20230717121745-296ad89f973d // indirect
 	github.com/chenzhuoyu/iasm v0.9.1 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
diff --git a/go.sum b/go.sum
index 042c7f2..194a89e 100644
--- a/go.sum
+++ b/go.sum
@@ -6,6 +6,8 @@ github.com/bytedance/sonic v1.11.0 h1:FwNNv6Vu4z2Onf1++LNzxB/QhitD8wuTdpZzMTGITW
 github.com/bytedance/sonic v1.11.0/go.mod h1:iZcSUejdk5aukTND/Eu/ivjQuEL0Cu9/rf50Hi0u/g4=
 github.com/bytedance/sonic v1.11.1 h1:JC0+6c9FoWYYxakaoa+c5QTtJeiSZNeByOBhXtAFSn4=
 github.com/bytedance/sonic v1.11.1/go.mod h1:iZcSUejdk5aukTND/Eu/ivjQuEL0Cu9/rf50Hi0u/g4=
+github.com/bytedance/sonic v1.11.2 h1:ywfwo0a/3j9HR8wsYGWsIWl2mvRsI950HyoxiBERw5A=
+github.com/bytedance/sonic v1.11.2/go.mod h1:iZcSUejdk5aukTND/Eu/ivjQuEL0Cu9/rf50Hi0u/g4=
 github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY=
 github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk=
 github.com/chenzhuoyu/base64x v0.0.0-20230717121745-296ad89f973d h1:77cEq6EriyTZ0g/qfRdp61a3Uu/AWrgIq2s0ClJV1g0=
diff --git a/goextVersion.go b/goextVersion.go
index 74cd1fe..632f20b 100644
--- a/goextVersion.go
+++ b/goextVersion.go
@@ -1,5 +1,5 @@
 package goext
 
-const GoextVersion = "0.0.395"
+const GoextVersion = "0.0.396"
 
-const GoextVersionTimestamp = "2024-02-27T13:42:06+0100"
+const GoextVersionTimestamp = "2024-02-28T14:28:48+0100"
diff --git a/sq/converter.go b/sq/converter.go
index 1f3a1d3..1bab667 100644
--- a/sq/converter.go
+++ b/sq/converter.go
@@ -7,6 +7,7 @@ import (
 	"gogs.mikescher.com/BlackForestBytes/goext/exerr"
 	"gogs.mikescher.com/BlackForestBytes/goext/langext"
 	"gogs.mikescher.com/BlackForestBytes/goext/rfctime"
+	"gogs.mikescher.com/BlackForestBytes/goext/timeext"
 	"reflect"
 	"strconv"
 	"strings"
@@ -114,6 +115,12 @@ var ConverterRFCTimeToString = NewDBTypeConverter[rfctime.Time, string](func(v r
 	return res, nil
 })
 
+var ConverterRFCSecondsF64ToString = NewDBTypeConverter[rfctime.SecondsF64, float64](func(v rfctime.SecondsF64) (float64, error) {
+	return v.Seconds(), nil
+}, func(v float64) (rfctime.SecondsF64, error) {
+	return rfctime.NewSecondsF64(timeext.FromSeconds(v)), nil
+})
+
 var ConverterJsonObjToString = NewDBTypeConverter[JsonObj, string](func(v JsonObj) (string, error) {
 	mrsh, err := json.Marshal(v)
 	if err != nil {
diff --git a/sq/database.go b/sq/database.go
index b9b9213..127a760 100644
--- a/sq/database.go
+++ b/sq/database.go
@@ -143,17 +143,22 @@ func (db *database) RegisterConverter(conv DBTypeConverter) {
 
 func (db *database) RegisterDefaultConverter() {
 	db.RegisterConverter(ConverterBoolToBit)
+
 	db.RegisterConverter(ConverterTimeToUnixMillis)
+
 	db.RegisterConverter(ConverterRFCUnixMilliTimeToUnixMillis)
 	db.RegisterConverter(ConverterRFCUnixNanoTimeToUnixNanos)
 	db.RegisterConverter(ConverterRFCUnixTimeToUnixSeconds)
 	db.RegisterConverter(ConverterRFC339TimeToString)
 	db.RegisterConverter(ConverterRFC339NanoTimeToString)
+	db.RegisterConverter(ConverterRFCDateToString)
+	db.RegisterConverter(ConverterRFCTimeToString)
+	db.RegisterConverter(ConverterRFCSecondsF64ToString)
+
 	db.RegisterConverter(ConverterJsonObjToString)
 	db.RegisterConverter(ConverterJsonArrToString)
+
 	db.RegisterConverter(ConverterExErrCategoryToString)
 	db.RegisterConverter(ConverterExErrSeverityToString)
 	db.RegisterConverter(ConverterExErrTypeToString)
-	db.RegisterConverter(ConverterRFCDateToString)
-	db.RegisterConverter(ConverterRFCTimeToString)
 }