diff --git a/Source/Utility/Timestamp.cpp b/Source/Utility/Timestamp.cpp
index 88fd86a..bc4afc7 100644
--- a/Source/Utility/Timestamp.cpp
+++ b/Source/Utility/Timestamp.cpp
@@ -4,12 +4,73 @@
 Timestamp::~Timestamp() {
 }
 
+// FUNCTION: fn_18085
+TIMESTAMP_STRUCT Timestamp::ToSqlTimestamp() {
+  TIMESTAMP_STRUCT result{};
+  if (this->seconds < 0) {
+    this->seconds = 0;
+  }
 
+  const std::tm* local = _localtime32(&this->seconds);
+  result.fraction = 0;
+  result.year = static_cast<SQLSMALLINT>(local->tm_year + 1900);
+  result.month = static_cast<SQLUSMALLINT>(local->tm_mon + 1);
+  result.day = static_cast<SQLUSMALLINT>(local->tm_mday);
+  result.hour = static_cast<SQLUSMALLINT>(local->tm_hour);
+  result.minute = static_cast<SQLUSMALLINT>(local->tm_min);
+  result.second = static_cast<SQLUSMALLINT>(local->tm_sec);
+  return result;
+}
 
+// FUNCTION: fn_18086
+int Timestamp::IsBefore(__time32_t other) const {
+  return _difftime32(this->seconds, other) < 0.0;
+}
 
+// FUNCTION: fn_18087
+int Timestamp::IsBeforeNow() const {
+  __time32_t now;
+  _time32(&now);
+  return _difftime32(this->seconds, now) < 0.0;
+}
 
+// FUNCTION: fn_18088
+int Timestamp::Day() const {
+  return _localtime32(&this->seconds)->tm_mday;
+}
 
+// FUNCTION: fn_18089
+int Timestamp::Hour() const {
+  return _localtime32(&this->seconds)->tm_hour;
+}
 
+// FUNCTION: fn_18090
+int Timestamp::Minute() const {
+  return _localtime32(&this->seconds)->tm_min;
+}
 
+// FUNCTION: fn_18091
+int Timestamp::Month() const {
+  return _localtime32(&this->seconds)->tm_mon + 1;
+}
 
+// FUNCTION: fn_18092
+int Timestamp::Second() const {
+  return _localtime32(&this->seconds)->tm_sec;
+}
 
+// FUNCTION: fn_18093
+int Timestamp::Year() const {
+  return _localtime32(&this->seconds)->tm_year + 1900;
+}
+
+// FUNCTION: fn_18094
+__time32_t Timestamp::SetDate(short year, short month, short day, short hour) {
+  std::tm local{};
+  local.tm_hour = hour;
+  local.tm_mday = day;
+  local.tm_mon = month - 1;
+  local.tm_year = year - 1900;
+  this->seconds = _mktime32(&local);
+  return this->seconds;
+}