YOU SAID:
anything can happen in the next half hour
INTO JAPANESE
次の30分には何でも起こり得る
BACK INTO ENGLISH
Everything can happen in the next 30 minutes
INTO JAPANESE
今後30分以内にすべてが発生する可能性があります
BACK INTO ENGLISH
Everything may happen within the next 30 minutes
INTO JAPANESE
今後30分以内にすべてが発生する可能性があります
BACK INTO ENGLISH
Everything may happen within the next 30 minutes
That didn't even make that much sense in English.