8/8/2023 0 Comments Freefilesync time zone"Both ways" is a synchronization method that reflects changes in both folders, files added or updated in one folder are copied to the other folder.In both directions, file deletion/moving/file conflicts 1 is automatically detected.Ī "mirror" means that files added or updated in the source folder (left side) are copied to the target folder (right side).Files that exist only in the target folder will be deleted (files deleted in the source folder will be deleted in the target folder).Suitable if you want the target folder to have the same content as the source folder.Mirrors can optionally detect file movement. 3 types + custom sync methodįreeFileSync allows you to sync files in four ways: two-way, mirror, update and custom. FreeFileSync overviewįreeFileSync is a file sync software that copies files from folder to folder.After the normal copy is done, it detects new files that have been added or updated and transfers the files, so it is suitable for backing up frequently updated files and sharing folders. These days that’s probably the most practical solution in most cases.Folder sync software for a wide range of devices and protocolsįolder comparison and sync software to create and manage backups of all your important files.Only transfer the minimum necessary data by comparing the source and target folders.You can run multiple sync jobs, automate sync with Task Scheduler, and monitor folders for real-time sync. Then I converted the external drive I was using to NTFS and the problem went To be completely honest, I simply lived with it for several years. Standard Time 8:32 AM 8:32 AM Daylight Saving Time 8:32 AM Time of year File Creation Date NTFS Displays FAT displays Standard Time 8:32 AM Will think they’re different and copy the “newer” one onto the older one. With daylight saving time in effect, and the timestamp on the NTFS driveĪnd a file copying utility that uses the timestamps to see which is newer When displayed the NTFS time is adjusted by your time zone, which is now -4 NTFS disk and 8:32 AM on the FAT disk – but they no longer display the same The time stamps are still stored exactly as they were – 13:32 UTC on the Same when displayed the NTFS time is adjusted by your time zone, subtracting 5 – 13:32 UTC on the NTFS disk and 8:32 AM on the FAT disk – but they display the To continue with our example, let’s assume you copied a file from an NTFSįormatted disk to a FAT formatted disk in the Eastern time zone while daylight Time it was written had daylight saving time been in effect at the time it wasĪnd yes, I’ll happily admit it’s confusing as all get out. Time, the same file’s timestamp will be displayed as 9:32AM – that’s the (“spring forward”) UTC-4 – Eastern Daylight Time (EDT). Is UTC-5 unless you’re in daylight saving time, in which case it’s Here’s the rub: Eastern time, or more correctly Eastern Standard Time (EST) When the file’s time isĭisplayed, then of course, the time zone is once again factored in and the time That means if it’s 8:32AM,Īnd you’re in the U.S.’s Eastern time zone (ET) which is UTC -5, then theĪctual time written to the disk is 13:32 UTC. (roughly equivalent to Greenwich Mean Time, GMT). In the NTFS, all timestamps are written in Coordinated Universal Time or UTC “In short, it’s all about the file systems.”
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