INTL 3:770/1 3:770/3   
   REPLYADDR kubmw2ce@duck.com   
   REPLYTO 3:770/3.0 UUCP   
   MSGID:  a934b47b   
   REPLY:  95d224b5   
   PID: SoupGate-Win32 v1.05   
   Lawrence D'Oliveiro wrote:   
   > On Thu, 12 Dec 2024 12:43:14 +0000, DrStevenStrange wrote:   
   >   
   >> ... how can I amend the script so it starts 30 minutes BEFORE sunrise   
   >> and stops 30  Minutes after?   
   >> ...   
   >> SUNRISE_EPOCH=$(date -d "$SUNRISE" +%s)   
   >> SUNSET_EPOCH=$(date -d "$SUNSET" +%s)   
   >   
   > How about   
   >   
   >      SUNRISE_EPOCH=$(($(date -d "$SUNRISE" +%s) - 1800))   
   >      SUNSET_EPOCH=$(($(date -d "$SUNSET" +%s) + 1800))   
   >   
      
   Many thanks   
      
   --- SoupGate-Win32 v1.05   
    * Origin: Agency HUB, Dunedin - New Zealand | Fido<>Usenet Gateway (3:770/3)   
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