fix timezone shennanigans

loader/CMakeLists.txt

@@ -269,9 +269,12 @@ if (NOT GEODE_BUILDING_DOCS)
 	# Regex support
 	CPMAddPackage("gh:google/re2#c9cba76")
 
+	# Cool date library
+	CPMAddPackage("gh:HowardHinnant/date#1ead671")
+
 	target_include_directories(${PROJECT_NAME} PRIVATE ${md4c_SOURCE_DIR}/src)
 
-	target_link_libraries(${PROJECT_NAME} md4c re2 minizip)
+	target_link_libraries(${PROJECT_NAME} md4c re2 minizip date)
 endif()
 
 target_link_libraries(${PROJECT_NAME} TulipHook geode-sdk mat-json-impl)

loader/src/server/Server.cpp

@@ -1,6 +1,8 @@
 #include "Server.hpp"
 #include <Geode/utils/JsonValidation.hpp>
 #include <Geode/utils/ranges.hpp>
+#include <chrono>
+#include <date/date.h>
 #include <fmt/core.h>
 #include <loader/ModMetadataImpl.hpp>
 #include <fmt/chrono.h>
@@ -244,11 +246,10 @@ std::string ServerDateTime::toAgoString() const {
 
 Result<ServerDateTime> ServerDateTime::parse(std::string const& str) {
     std::stringstream ss(str);
-    std::tm value;
-    if (ss >> std::get_time(&value, "%Y-%m-%dT%H:%M:%SZ")) {
-        auto time = std::mktime(&value);
+    date::sys_seconds seconds;
+    if (ss >> date::parse("%Y-%m-%dT%H:%M:%S%Z", seconds)) {
         return Ok(ServerDateTime {
-            .value = Clock::from_time_t(time),
+            .value = seconds
         });
     }
     return Err("Invalid date time format '{}'", str);

loader/src/server/Server.hpp

@@ -4,6 +4,7 @@
 #include <Geode/DefaultInclude.hpp>
 #include <Geode/utils/web.hpp>
 #include <Geode/loader/SettingEvent.hpp>
+#include <chrono>
 #include <matjson.hpp>
 #include <vector>