diff --git a/include/nat.h b/include/nat.h
index f150de38..69f74b37 100644
--- a/include/nat.h
+++ b/include/nat.h
@@ -99,7 +99,7 @@ struct natstr {
     signed char nat_update;	/* Want an update or not. */
     unsigned short nat_tgms;	/* # of telegrams to be announced */
     unsigned short nat_ann;	/* # of annos pending */
-    unsigned short nat_minused;	/* number of minutes used today */
+    int nat_timeused;		/* number of seconds used today */
     short nat_btu;		/* bureaucratic time units */
     short nat_access;		/* The tick when BTUs were last updated */
     long nat_reserve;		/* military reserves */
diff --git a/include/player.h b/include/player.h
index 64c589fe..2d2638e5 100644
--- a/include/player.h
+++ b/include/player.h
@@ -67,8 +67,8 @@ struct player {
     char *argp[128];		/* arguments, ASCII, valid if command */
     char *condarg;		/* conditional, ASCII, valid if command */
     char *comtail[128];		/* start of args in combuf[] */
-    time_t lasttime;		/* when minleft was last debited */
-    int minleft;
+    time_t lasttime;		/* when timeleft was last debited */
+    int timeleft;
     int btused;
     int god;
     int owner;
diff --git a/include/prototypes.h b/include/prototypes.h
index ca671226..adc389e2 100644
--- a/include/prototypes.h
+++ b/include/prototypes.h
@@ -368,7 +368,7 @@ extern void init_player_commands(void);
 extern void log_last_commands(void);
 extern int gamedown(void);
 extern void daychange(time_t);
-extern int getminleft(time_t, int);
+extern int gettimeleft(time_t, int);
 /* more under Commands */
 /* empmod.c */
 /* init_nats.c */
diff --git a/src/lib/commands/edit.c b/src/lib/commands/edit.c
index b17712da..e6c47fe9 100644
--- a/src/lib/commands/edit.c
+++ b/src/lib/commands/edit.c
@@ -300,7 +300,7 @@ prnat(struct natstr *np)
     pr("Origin <o>: %3s\n",
        xyas(np->nat_xorg, np->nat_yorg, player->cnum));
     pr("Status <s>: 0x%x\t\t\t", np->nat_stat);
-    pr("Min Used <u>: %3d\n", np->nat_minused);
+    pr("Seconds Used <u>: %3d\n", np->nat_timeused);
     pr("Technology <T>: %.2f\t\t", np->nat_level[NAT_TLEV]);
     pr("Research <R>: %.2f\n", np->nat_level[NAT_RLEV]);
     pr("Education <E>: %.2f\t\t", np->nat_level[NAT_ELEV]);
@@ -703,10 +703,10 @@ docountry(char op, int arg, char *p, struct natstr *np)
 	np->nat_stat = errcheck(arg, STAT_UNUSED, STAT_GOD);
 	break;
     case 'u':
-	arg = errcheck(arg, 0, m_m_p_d);
-	pr("Number of minutes used changed from %d to %d.\n",
-	   np->nat_minused, arg);
-	np->nat_minused = arg;
+	arg = errcheck(arg, 0, m_m_p_d * 60);
+	pr("Number of seconds used changed from %d to %d.\n",
+	   np->nat_timeused, arg);
+	np->nat_timeused = arg;
 	break;
     case 'M':
 	pr("Money changed from %ld to %d\n", np->nat_money, arg);
diff --git a/src/lib/commands/play.c b/src/lib/commands/play.c
index 8179ec58..a4ab28a4 100644
--- a/src/lib/commands/play.c
+++ b/src/lib/commands/play.c
@@ -101,8 +101,8 @@ play_list(struct player *joe)
        cname(joe->cnum),
        joe->cnum,
        player->god || joe->cnum == player->cnum ? praddr(joe) : "",
-       natp->nat_minused / 60,
-       natp->nat_minused % 60,
+       natp->nat_timeused / 3600,
+       (natp->nat_timeused % 3600) / 60,
        (long)(now - joe->curup));
 
     if (player->god) {
diff --git a/src/lib/common/nsc.c b/src/lib/common/nsc.c
index 774f8543..8dfacecf 100644
--- a/src/lib/common/nsc.c
+++ b/src/lib/common/nsc.c
@@ -564,7 +564,7 @@ struct castr cou_ca[] = {
     {"update", fldoff(nat_update), NSC_CHAR, 0, NULL, EF_BAD, 0},
     {"tgms", fldoff(nat_tgms), NSC_USHORT, 0, NULL, EF_BAD, 0},
     {"ann", fldoff(nat_ann), NSC_USHORT, 0, NULL, EF_BAD, 0},
-    {"minused", fldoff(nat_minused), NSC_USHORT, 0, NULL, EF_BAD, 0},
+    {"timeused", fldoff(nat_timeused), NSC_INT, 0, NULL, EF_BAD, 0},
     {"btu", fldoff(nat_btu), NSC_SHORT, 0, NULL, EF_BAD, 0},
     {"access", fldoff(nat_access), NSC_SHORT, 0, NULL, EF_BAD, 0},
     {"milreserve", fldoff(nat_reserve), NSC_LONG, 0, NULL, EF_BAD, 0},
diff --git a/src/lib/player/empdis.c b/src/lib/player/empdis.c
index fc915a6c..ce8b7607 100644
--- a/src/lib/player/empdis.c
+++ b/src/lib/player/empdis.c
@@ -78,7 +78,7 @@ getcommand(char *combufp)
 	    player_commands_index, player->cnum);
 
     do {
-	prprompt(natp->nat_minused, natp->nat_btu);
+	prprompt(natp->nat_timeused / 60, natp->nat_btu);
 	buf[0] = 0;
 	if (recvclient(buf, 1024) < 0) {
 	    return -1;
@@ -223,23 +223,23 @@ daychange(time_t now)
     tm = localtime(&now);
     if ((tm->tm_yday % 128) != natp->nat_dayno) {
 	natp->nat_dayno = tm->tm_yday % 128;
-	natp->nat_minused = 0;
+	natp->nat_timeused = 0;
     }
 }
 
 int
-getminleft(time_t now, int mpd)
+gettimeleft(time_t now, int mpd)
 {
     struct tm *tm;
-    int nminleft;
+    int nsecleft;
     struct natstr *natp;
     int n;
 
     tm = localtime(&now);
     natp = getnatp(player->cnum);
-    nminleft = mpd - natp->nat_minused;
-    n = 60 * 24 - (tm->tm_min + tm->tm_hour * 60);
-    if (n < nminleft)
-	nminleft = n;
-    return nminleft;
+    nsecleft = mpd * 60 - natp->nat_timeused;
+    n = 60 * 60 * 24 - (tm->tm_sec + tm->tm_min * 60 + tm->tm_hour * 3600);
+    if (n < nsecleft)
+	nsecleft = n;
+    return nsecleft;
 }
diff --git a/src/lib/player/player.c b/src/lib/player/player.c
index 14a7aadd..437d374b 100644
--- a/src/lib/player/player.c
+++ b/src/lib/player/player.c
@@ -79,7 +79,7 @@ player_main(struct player *p)
 	    return;
     }
     daychange(player->curup);
-    if ((player->minleft = getminleft(player->curup, m_m_p_d)) <= 0) {
+    if ((player->timeleft = gettimeleft(player->curup, m_m_p_d)) <= 0) {
 	pr("Time exceeded today\n");
 	return;
     }
@@ -124,10 +124,7 @@ player_main(struct player *p)
      */
     time(&natp->nat_last_logout);
     secs = MAX(natp->nat_last_logout - player->lasttime, 15);
-    natp->nat_minused += secs / 60;
-    secs = secs % 60;
-    if (chance(secs / 60.0))
-	natp->nat_minused += 1;
+    natp->nat_timeused += secs;
     putnat(natp);
     pr("Bye-bye\n");
     journal_logout();
@@ -155,7 +152,7 @@ static int
 status(void)
 {
     struct natstr *natp;
-    int old_nstat, minute;
+    int old_nstat, second;
     char buf[128];
 
     if (player->eof || player->state == PS_SHUTDOWN)
@@ -185,12 +182,12 @@ status(void)
 	pr("You are no longer broke!\n");
 
     time(&player->curup);
-    minute = (player->curup - player->lasttime) / 60;
-    if (minute > 0) {
-	player->minleft -= minute;
-	if (player->minleft <= 0) {
+    second = player->curup - player->lasttime;
+    if (second > 0) {
+	player->timeleft -= second;
+	if (player->timeleft <= 0) {
 	    /*
-	     * countdown timer "player->minleft" has expired.
+	     * countdown timer "player->timeleft" has expired.
 	     * either day change, or hours restriction
 	     */
 	    daychange(player->curup);
@@ -201,12 +198,13 @@ status(void)
 		    return 0;
 		}
 	    }
-	    player->minleft = getminleft(player->curup, m_m_p_d);
+	    player->timeleft = gettimeleft(player->curup, m_m_p_d);
 	}
-	player->lasttime += minute * 60;
-	natp->nat_minused += minute;
+	player->lasttime += second;
+	natp->nat_timeused += second;
     }
-    if (natp->nat_stat == STAT_ACTIVE && natp->nat_minused > m_m_p_d) {
+    if (natp->nat_stat == STAT_ACTIVE &&
+	natp->nat_timeused > m_m_p_d * 60) {
 	pr("Max minutes per day limit exceeded.\n");
 	player->nstat = (player->nstat & ~NORM) | VIS;
     }
diff --git a/src/lib/subs/natsub.c b/src/lib/subs/natsub.c
index bc6b727f..5247e3d4 100644
--- a/src/lib/subs/natsub.c
+++ b/src/lib/subs/natsub.c
@@ -85,7 +85,7 @@ nat_reset(struct natstr *natp, enum nat_status stat, coord x, coord y)
     }
 
     natp->nat_dayno = 0;
-    natp->nat_minused = 0;
+    natp->nat_timeused = 0;
     natp->nat_update = 0;
 
     natp->nat_tgms = 0;
diff --git a/src/scripts/nightly/patches/All/emptime.c.patch b/src/scripts/nightly/patches/All/emptime.c.patch
index 1bcda0f7..c13a0cd7 100644
--- a/src/scripts/nightly/patches/All/emptime.c.patch
+++ b/src/scripts/nightly/patches/All/emptime.c.patch
@@ -818,17 +818,17 @@ index 513382b..4b97be7 100644
 -    time(&natp->nat_last_logout);
 +    empire_time(&natp->nat_last_logout);
      secs = MAX(natp->nat_last_logout - player->lasttime, 15);
-     natp->nat_minused += secs / 60;
-     secs = secs % 60;
+     natp->nat_timeused += secs;
+     putnat(natp);
 @@ -182,7 +183,7 @@ status(void)
      if (!(old_nstat & MONEY) && (player->nstat & MONEY))
  	pr("You are no longer broke!\n");
  
 -    time(&player->curup);
 +    empire_time(&player->curup);
-     minute = (player->curup - player->lasttime) / 60;
-     if (minute > 0) {
- 	player->minleft -= minute;
+     second = player->curup - player->lasttime;
+     if (second > 0) {
+ 	player->timeleft -= second;
 diff --git a/src/lib/player/recvclient.c b/src/lib/player/recvclient.c
 index ab4ef69..8934189 100644
 --- a/src/lib/player/recvclient.c