diff --git a/talks/485ed3d5-fb0f-4867-bec8-cdafc5f33a8d/meta.yaml b/talks/485ed3d5-fb0f-4867-bec8-cdafc5f33a8d/meta.yaml
index 6cba3f1b5d64eb5763b48769bc99872f9be6ab20..e15bd9e32c63e9128f51cfcac1a24f1a548038b0 100644
--- a/talks/485ed3d5-fb0f-4867-bec8-cdafc5f33a8d/meta.yaml
+++ b/talks/485ed3d5-fb0f-4867-bec8-cdafc5f33a8d/meta.yaml
@@ -1,10 +1,10 @@
 day: 4
 duration: 120
-end: 2023-09-08 17:00:00+02:00
+end: 2023-09-08 17:30:00+02:00
 format: conference
 key: 485ed3d5-fb0f-4867-bec8-cdafc5f33a8d
 room: room1
-start: 2023-09-08 15:00:00+02:00
+start: 2023-09-08 15:30:00+02:00
 tags: []
 text: "Non hai sentito?? Sei sotto attacco hacker! No, non si tratta di hacker russi\
   \ che battono tasti a ritmi frenetici di fronte ad un terminale, col viso oscurato\
@@ -28,6 +28,6 @@ text: "Non hai sentito?? Sei sotto attacco hacker! No, non si tratta di hacker r
   \ cos\xEC alla moda oggi, come: sinaptogenesi, data analysis, biofeedback, piattaforme,\
   \ machine learning, neurotrasmettitori, attention economy, supply-oriented etc.\
   \ etc. etc.\n\nchi: Ellis"
-time: '15:00'
+time: '15:30'
 title: "ATTENZIONE!!! Grazie della vostra attenzione. Quando, come e perch\xE9 delle\
   \ tecnologie fatte per hackerare noi"
diff --git a/talks/a928d92c-2d28-4525-856e-89688cf67c46/meta.yaml b/talks/a928d92c-2d28-4525-856e-89688cf67c46/meta.yaml
index 9a8ce919d01a6d7646e0fc04dc68cd3a91ef77b6..b209336be571af5726b265ded779e65922f18d10 100644
--- a/talks/a928d92c-2d28-4525-856e-89688cf67c46/meta.yaml
+++ b/talks/a928d92c-2d28-4525-856e-89688cf67c46/meta.yaml
@@ -1,10 +1,10 @@
 day: 5
 duration: 60
-end: 2023-09-09 18:00:00+02:00
+end: 2023-09-09 20:00:00+02:00
 format: conference
 key: a928d92c-2d28-4525-856e-89688cf67c46
-room: room2
-start: 2023-09-09 17:00:00+02:00
+room: room1
+start: 2023-09-09 19:00:00+02:00
 tags: []
 text: "[versione in ITALIANO]  \n\nPresentazione di  \n\n1/ [Assodev-Marsnet](https://www.marsnet.org)\
   \  \ntecnologia digitale libera ed etica per associazioni e collettivi in Francia\
@@ -59,6 +59,6 @@ text: "[versione in ITALIANO]  \n\nPresentazione di  \n\n1/ [Assodev-Marsnet](ht
   \ colleagues with ERASMUS mobility adult education - sharing of Assodev-Marsnet\
   \ experience\n\nwho: *Chatons Marsnet* from Marseilles, France  \n(flo, rv, francou,\
   \ remy, frantz)\n\nlanguage: English"
-time: '17:00'
+time: '19:00'
 title: Hosting etico di alternative ai giganti del web/GAFAM e software libero in
   Europa
diff --git a/talks/fd0901cd-620e-4a7f-8fed-8302901c6e96/meta.yaml b/talks/fd0901cd-620e-4a7f-8fed-8302901c6e96/meta.yaml
index 4277501cd6ffb400a2c0b28fb63268ba5208c3ee..06df1c5e6bef5911aad7a0572964c1e5ec37368e 100644
--- a/talks/fd0901cd-620e-4a7f-8fed-8302901c6e96/meta.yaml
+++ b/talks/fd0901cd-620e-4a7f-8fed-8302901c6e96/meta.yaml
@@ -1,10 +1,10 @@
 day: 5
 duration: 60
-end: 2023-09-09 20:00:00+02:00
+end: 2023-09-09 16:00:00+02:00
 format: conference
 key: fd0901cd-620e-4a7f-8fed-8302901c6e96
 room: room1
-start: 2023-09-09 19:00:00+02:00
+start: 2023-09-09 15:00:00+02:00
 tags: []
 text: "FIM \xE8 un image viewer per un'utenza a suo agio con riga di comando e tastiera.\
   \  \nFIM \xE8 scriptabile in diversi modi, ma rimane integrabile in ambiente desktop.\
@@ -13,5 +13,5 @@ text: "FIM \xE8 un image viewer per un'utenza a suo agio con riga di comando e t
   \ diverse distribuzioni Linux.  \nFIM funziona sotto X11, nel framebuffer di Linux,\
   \ ma anche in modalit\xE0 Ascii Art (con colori o senza).\n\nMostrer\xF2 le motivazioni\
   \ dietro FIM, come usarlo, e idee all'orizzonte.\n\nchi: dez"
-time: '19:00'
+time: '15:00'
 title: FIM (Fbi IMproved) viewer di immagini universale