From aca9ffc122d433edcb79a811b456ee07af3ca5e9 Mon Sep 17 00:00:00 2001
From: Dane Everitt <dane@daneeveritt.com>
Date: Tue, 26 Jan 2021 20:36:46 -0800
Subject: [PATCH] Use TZ environment variable if present; closes
 pterodactyl/panel#3036

---
 config/config.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/config/config.go b/config/config.go
index d79dd83..7f28d8f 100644
--- a/config/config.go
+++ b/config/config.go
@@ -568,6 +568,10 @@ func (sc *SystemConfiguration) GetStatesPath() string {
 //
 // This function IS NOT thread-safe.
 func ConfigureTimezone() error {
+	tz := os.Getenv("TZ")
+	if _config.System.Timezone == "" && tz != "" {
+		_config.System.Timezone = tz
+	}
 	if _config.System.Timezone == "" {
 		b, err := ioutil.ReadFile("/etc/timezone")
 		if err != nil {