diff --git a/src/COMPRESS/dump_xyz_gz.cpp b/src/COMPRESS/dump_xyz_gz.cpp
index cec32090cb..9b8fa16339 100644
--- a/src/COMPRESS/dump_xyz_gz.cpp
+++ b/src/COMPRESS/dump_xyz_gz.cpp
@@ -93,12 +93,11 @@ void DumpXYZGZ::openfile()
 void DumpXYZGZ::write_header(bigint ndump)
 {
   if (me == 0) {
-    std::string header = fmt::format("{}\n", ndump);
-    if (time_flag)
-      header += fmt::format("Atoms. Timestep: {} Time: {:.6f}\n", 
-                            update->ntimestep, update->atime);
-    else
-      header += fmt::format("Atoms. Timestep: {}\n", update->ntimestep);
+    auto header = fmt::format("{}\n", ndump);
+    if (time_flag) {
+      double tcurrent = update->atime + (update->ntimestep-update->atimestep) + update->dt;
+      header += fmt::format("Atoms. Timestep: {} Time: {:.6f}\n", update->ntimestep, tcurrent);
+    } else header += fmt::format("Atoms. Timestep: {}\n", update->ntimestep);
     writer.write(header.c_str(), header.length());
   }
 }
diff --git a/src/COMPRESS/dump_xyz_zstd.cpp b/src/COMPRESS/dump_xyz_zstd.cpp
index 24d31fe671..0138e89e01 100644
--- a/src/COMPRESS/dump_xyz_zstd.cpp
+++ b/src/COMPRESS/dump_xyz_zstd.cpp
@@ -96,15 +96,16 @@ void DumpXYZZstd::openfile()
   if (multifile) delete[] filecurrent;
 }
 
+/* ---------------------------------------------------------------------- */
+
 void DumpXYZZstd::write_header(bigint ndump)
 {
   if (me == 0) {
-    std::string header = fmt::format("{}\n", ndump);
-    if (time_flag)
-      header += fmt::format("Atoms. Timestep: {} Time: {:.6f}\n", 
-                            update->ntimestep, update->atime);
-    else
-      header += fmt::format("Atoms. Timestep: {}\n", update->ntimestep);
+    auto header = fmt::format("{}\n", ndump);
+    if (time_flag && (update->whichflag == 1)) {
+      double tcurrent = update->atime + (update->ntimestep-update->atimestep) + update->dt;
+      header += fmt::format("Atoms. Timestep: {} Time: {:.6f}\n", update->ntimestep, tcurrent);
+    } else header += fmt::format("Atoms. Timestep: {}\n", update->ntimestep);
     writer.write(header.c_str(), header.length());
   }
 }
diff --git a/src/dump_xyz.cpp b/src/dump_xyz.cpp
index cb0a73eb81..c554593b69 100644
--- a/src/dump_xyz.cpp
+++ b/src/dump_xyz.cpp
@@ -130,10 +130,10 @@ int DumpXYZ::modify_param(int narg, char **arg)
 void DumpXYZ::write_header(bigint n)
 {
   if (me == 0) {
-    if (time_flag && (update->whichflag == 1))
-      fmt::print(fp,"{}\n Atoms. Timestep: {} Time: {:.6f}\n", update->ntimestep, update->atime);
-    else
-      fmt::print(fp,"{}\n Atoms. Timestep: {}\n", update->ntimestep);
+    if (time_flag && (update->whichflag == 1)) {
+      double tcurrent = update->atime + (update->ntimestep-update->atimestep) + update->dt;
+      fmt::print(fp,"{}\n Atoms. Timestep: {} Time: {:.6f}\n", n, update->ntimestep, tcurrent);
+    } else fmt::print(fp,"{}\n Atoms. Timestep: {}\n", n, update->ntimestep);
   }
 }