From a1af1bd996707c11d85ae1da1addd4f464e8fc39 Mon Sep 17 00:00:00 2001
From: Trenton Sadrakula <tsadrakula@gmail.com>
Date: Sun, 25 Jan 2026 13:15:11 -0600
Subject: [PATCH] feat(system-prompt): add formatted date with day of week
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Fixes #1897

The system prompt now includes the full formatted date (e.g.,
"Sunday, January 25th, 2026 — 12:40 PM") above the timezone,
so agents no longer have to guess what day it is.

🤖 AI-assisted: Generated with Claude Opus 4.5
📋 Testing: Lightly tested (lint passes, manual review)
✅ I understand what this code does
---
 src/agents/system-prompt.ts | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/agents/system-prompt.ts b/src/agents/system-prompt.ts
index 41ec9a7d5..38bd320c4 100644
--- a/src/agents/system-prompt.ts
+++ b/src/agents/system-prompt.ts
@@ -49,9 +49,14 @@ function buildUserIdentitySection(ownerLine: string | undefined, isMinimal: bool
   return ["## User Identity", ownerLine, ""];
 }
 
-function buildTimeSection(params: { userTimezone?: string }) {
+function buildTimeSection(params: { userTimezone?: string; userTime?: string }) {
   if (!params.userTimezone) return [];
-  return ["## Current Date & Time", `Time zone: ${params.userTimezone}`, ""];
+  const lines = ["## Current Date & Time"];
+  if (params.userTime) {
+    lines.push(params.userTime);
+  }
+  lines.push(`Time zone: ${params.userTimezone}`, "");
+  return lines;
 }
 
 function buildReplyTagsSection(isMinimal: boolean) {
@@ -297,6 +302,7 @@ export function buildAgentSystemPrompt(params: {
     : undefined;
   const reasoningLevel = params.reasoningLevel ?? "off";
   const userTimezone = params.userTimezone?.trim();
+  const userTime = params.userTime?.trim();
   const skillsPrompt = params.skillsPrompt?.trim();
   const heartbeatPrompt = params.heartbeatPrompt?.trim();
   const heartbeatPromptLine = heartbeatPrompt
@@ -459,6 +465,7 @@ export function buildAgentSystemPrompt(params: {
     ...buildUserIdentitySection(ownerLine, isMinimal),
     ...buildTimeSection({
       userTimezone,
+      userTime,
     }),
     "## Workspace Files (injected)",
     "These user-editable files are loaded by Clawdbot and included below in Project Context.",