Using IFTTT, I want to do something like
If it becomes 4:38 then send me "hello" to my phone using some mobile messaging service
The messaging app can be just anything, anything, unless it takes more than 3 seconds to send a single message.
SMS turned out to be not what I want because the messages should be able to be seen by other people through internet. I need a message service like Google Hangouts, in which people can chat online, rather than SMS which can't be accessed by PC via online.
Also, I live in GMT9. How should I set the time part in the if part?