diff --git a/time.zig b/time.zig
index c0e605d2646e065a7b832b899f05d152dc2daf27..4d0da88b7f81edd7d34fee7a17190ae08fccf80c 100644
--- a/time.zig
+++ b/time.zig
@@ -461,6 +461,39 @@ pub const DateTime = struct {
     }
 };
 
+pub const PlainYearMonth = struct {
+    years: u16,
+    months: u8,
+};
+
+pub const PlainMonthDay = struct {
+    months: u8,
+    days: u8,
+};
+
+pub const PlainDate = struct {
+    years: u16,
+    months: u8,
+    days: u8,
+};
+
+pub const PlainTime = struct {
+    hours: u8,
+    minutes: u8,
+    seconds: u8,
+    ms: u16,
+};
+
+pub const PlainDateTime = struct {
+    years: u16,
+    months: u8,
+    days: u8,
+    hours: u8,
+    minutes: u8,
+    seconds: u8,
+    ms: u16,
+};
+
 pub const format = struct {
     pub const LT = "h:mm A";
     pub const LTS = "h:mm:ss A";