Hello   Hive timestamp does support up to 9 digits decimal places (nano seconds) For your case, maybe you can check whether for those timestamp with none-zero nano seconds, e.g. 1750-01-01 00:00:00.123456789, whether such data can be exported correctly   And for your example, 00:00:00.0 equals to 00:00:00, you didn't lose any precision, as it is zero nanosecond   ... View more