Hide real build time of application

src/utils/time_utils.rs

@@ -1,4 +1,4 @@
-use chrono::DateTime;
+use chrono::{DateTime, Local, NaiveTime};
 use std::time::{Duration, SystemTime, UNIX_EPOCH};
 
 /// Get the current time since epoch
@@ -37,6 +37,14 @@ pub fn build_time() -> u64 {
     date.timestamp() as u64
 }
 
+/// Get the first second of the day (local time)
+pub fn time_start_of_day() -> u64 {
+    let local: DateTime<Local> = Local::now()
+        .with_time(NaiveTime::from_hms_opt(0, 0, 0).unwrap())
+        .unwrap();
+    local.timestamp() as u64
+}
+
 #[cfg(test)]
 mod test {
     use crate::utils::time_utils::{fmt_time, time};