diff --git a/docs/concepts/timezone.md b/docs/concepts/timezone.md
index aea3ef39247..13426136e0e 100644
--- a/docs/concepts/timezone.md
+++ b/docs/concepts/timezone.md
@@ -12,7 +12,7 @@ OpenClaw standardizes timestamps so the model sees a **single reference time** i
 
 | Surface           | What it shows                                                                                           | Default                               | Configured via                                          |
 | ----------------- | ------------------------------------------------------------------------------------------------------- | ------------------------------------- | ------------------------------------------------------- |
-| Message envelopes | Wraps inbound channel messages: `[Signal +1555 2026-01-18 00:19 PST] hello`                             | Host-local                            | `agents.defaults.envelopeTimezone`                      |
+| Message envelopes | Wraps inbound channel messages: `[Signal +1555 Sun 2026-01-18 00:19:42 PST] hello`                      | Host-local                            | `agents.defaults.envelopeTimezone`                      |
 | Tool payloads     | Channel `readMessages`-style tools return raw provider time + normalized `timestampMs` / `timestampUtc` | UTC fields always present             | Not configurable — preserves provider-native timestamps |
 | System prompt     | A small `Current Date & Time` block with the **time zone only** (no clock value, for cache stability)   | Host timezone if `userTimezone` unset | `agents.defaults.userTimezone`                          |
 
diff --git a/docs/date-time.md b/docs/date-time.md
index d2014f04043..56f18203db8 100644
--- a/docs/date-time.md
+++ b/docs/date-time.md
@@ -11,10 +11,10 @@ Provider timestamps are preserved so tools keep their native semantics (current
 
 ## Message envelopes (local by default)
 
-Inbound messages are wrapped with a timestamp (minute precision):
+Inbound messages are wrapped with a timestamp (second precision):
 
 ```
-[Provider ... 2026-01-05 16:26 PST] message text
+[Provider ... Mon 2026-01-05 16:26:34 PST] message text
 ```
 
 This envelope timestamp is **host-local by default**, regardless of the provider timezone.
@@ -45,19 +45,19 @@ You can override this behavior:
 **Local (default):**
 
 ```
-[WhatsApp +1555 2026-01-18 00:19 PST] hello
+[WhatsApp +1555 Sun 2026-01-18 00:19:42 PST] hello
 ```
 
 **User timezone:**
 
 ```
-[WhatsApp +1555 2026-01-18 00:19 CST] hello
+[WhatsApp +1555 Sun 2026-01-18 00:19:42 CST] hello
 ```
 
 **Elapsed time enabled:**
 
 ```
-[WhatsApp +1555 +30s 2026-01-18T05:19Z] follow-up
+[WhatsApp +1555 +30s Sun 2026-01-18T05:19:00Z] follow-up
 ```
 
 ## System prompt: current date and time