I tested my sketch with clock and OLED to see 
bah No the time is not up 
I give this information for an overview, it can help for the continuation (but not to give you work
)
The listing of the messages of mySensors
test with "void receiveTime" function (without RTC clock)
https://forum.mysensors.org/topic/4809/real-time-clock-module-lcd-display-and-controller-time/8?_=1655208396048
..........Log MyC - terminal ssh .........
2022-06-14T14:01:45.115+0200 recd 0;255;3;0;9;65310350 TSF:MSG:READ,55-55-0,s=255,c=3,t=1,pt=0,l=0,sg=0:
2022-06-14T14:01:45.119+0200 recd 0;255;3;0;9;65310356 TSF:MSG:ECHO REQ
2022-06-14T14:01:45.127+0200 recd 0;255;3;0;9;65310360 TSF:MSG:SEND,0-0-55-55,s=255,c=3,t=1,pt=0,l=0,sg=0,ft=0,st=OK:
2022-06-14T14:01:45.127+0200 recd 55;255;3;0;1;
2022-06-14T14:01:45.146+0200 sent 55;255;3;0;1;1655215305
2022-06-14T14:01:45.160+0200 recd 0;255;3;0;9;65310394 TSF:MSG:SEND,0-0-55-55,s=255,c=3,t=1,pt=0,l=10,sg=0,ft=0,st=OK:1655215305
..........Log MyS - terminal IDE .........
time current:0 -------------------------------------------
58007 TSF:MSG:SEND,55-55-0-0,s=255,c=3,t=1,pt=0,l=0,sg=0,ft=0,st=OK:
58017 TSF:MSG:READ,0-0-55,s=255,c=3,t=1,pt=0,l=0,sg=0:
58022 TSF:MSG:ECHO
avec Bus RS485
..........Log MyC - terminal ssh .........
2022-06-14T14:22:41.265+0200 recd 0;255;3;0;9;72000090 TSF:SAN:OK
2022-06-14T14:22:41.274+0200 recd 0;255;3;0;9;72000096 TSM:READY:NWD REQ
2022-06-14T14:22:41.298+0200 recd 0;255;3;0;9;72000115 ?TSF:MSG:SEND,0-0-255-255,s=255,c=3,t=20,pt=0,l=0,sg=0,ft=0,st=OK:
2022-06-14T14:22:41.917+0200 recd 0;255;3;0;9;72000736 TSF:MSG:READ,22-22-0,s=255,c=3,t=21,pt=1,l=1,sg=0:0
2022-06-14T14:22:41.920+0200 recd 22;255;3;0;21;0
.........Log MyS - terminal IDE .........
time current:1422 -------------------------------------------
423956 TSF:MSG:READ,0-0-255,s=255,c=3,t=20,pt=1,l=1,sg=0:0
423962 TSF:MSG:BC
424008 TSF:MSG:SEND,22-22-0-0,s=255,c=3,t=21,pt=1,l=1,sg=0,ft=0,st=OK:0
requestOn-----------------------------------------