Sometimes binance responds
{"code":-1021,"msg":"Timestamp for this request is outside of the recvWindow.","_method": ...
Looks like my server time is wrong. But it's ok (Debian timesyncd says system clock is in sync: yes)
The request may be taking too long. StackOverflow users recommend increasing recvWindow - but how?
Zhouaini528 maybe you have smart ideas about this error ?