diff --git a/crates/nu-utils/standard_library/std.nu b/crates/nu-utils/standard_library/std.nu
index 0b21cf39fa..c73de3c997 100644
--- a/crates/nu-utils/standard_library/std.nu
+++ b/crates/nu-utils/standard_library/std.nu
@@ -391,33 +391,37 @@ def current-log-level [] {
     }
 }
 
+def now [] {
+    date now | date format "%Y-%m-%dT%H:%M:%S%.3f"
+}
+
 # Log critical message
 export def "log critical" [message: string] {
     if (current-log-level) > (CRITICAL_LEVEL) { return }
 
-    print --stderr $"(ansi red_bold)CRIT  ($message)(ansi reset)"
+    print --stderr $"(ansi red_bold)CRT|(now)|($message)(ansi reset)"
 }
 # Log error message
 export def "log error" [message: string] {
     if (current-log-level) > (ERROR_LEVEL) { return }
 
-    print --stderr $"(ansi red)ERROR ($message)(ansi reset)"
+    print --stderr $"(ansi red)ERR|(now)|($message)(ansi reset)"
 }
 # Log warning message
 export def "log warning" [message: string] {
     if (current-log-level) > (WARNING_LEVEL) { return }
 
-    print --stderr $"(ansi yellow)WARN  ($message)(ansi reset)"
+    print --stderr $"(ansi yellow)WRN|(now)|($message)(ansi reset)"
 }
 # Log info message
 export def "log info" [message: string] {
     if (current-log-level) > (INFO_LEVEL) { return }
 
-    print --stderr $"(ansi white)INFO  ($message)(ansi reset)"
+    print --stderr $"(ansi white)INF|(now)|($message)(ansi reset)"
 }
 # Log debug message
 export def "log debug" [message: string] {
     if (current-log-level) > (DEBUG_LEVEL) { return }
 
-    print --stderr $"(ansi default_dimmed)DEBUG ($message)(ansi reset)"
+    print --stderr $"(ansi default_dimmed)DBG|(now)|($message)(ansi reset)"
 }
diff --git a/crates/nu-utils/standard_library/test_logger.nu b/crates/nu-utils/standard_library/test_logger.nu
index fad163b7da..2a880a11ec 100644
--- a/crates/nu-utils/standard_library/test_logger.nu
+++ b/crates/nu-utils/standard_library/test_logger.nu
@@ -19,21 +19,21 @@ def "assert message" [system_level, message_level, message_level_str] {
 
 export def test_critical [] {
     assert no message 99 critical
-    assert message CRITICAL critical CRIT
+    assert message CRITICAL critical CRT
 }
 export def test_error [] {
     assert no message CRITICAL error 
-    assert message ERROR error ERROR
+    assert message ERROR error ERR
 }
 export def test_warning [] {
     assert no message ERROR warning 
-    assert message  WARNING warning WARN
+    assert message WARNING warning WRN
 }
 export def test_info [] {
     assert no message WARNING info 
-    assert message  INFO info INFO
+    assert message INFO info "INF" #INF has to be quoted, otherwise it is the `inf` float
 }
 export def test_debug [] {
     assert no message INFO debug 
-    assert message  DEBUG debug DEBUG
+    assert message DEBUG debug DBG
 }