Quite simple. Make the post to establish the timestamp, then check to see the seconds time of your post is. Then, edit your post to state what you got and your reaction.
Oh, and don't take the "spend the day" part too literally.
00 - Watching movies together
01 - Playing hide-and-seek
02 - Beating up the avatar
03 - Getting beaten up by the avatar
04 - Pranking neighbors
05 - Hugging
06 - Sailing the seas
07 - Eating sandwiches
08 - Playing chess
09 - Committing arson
10 - Golfing
11 - Clothes shopping
12 - Playing Minecraft
13 - Strip poker
14 - Handcuffed together
15 - Shoving the avatar into a meat grinder
16 - Drinking beer
17 - Being sick with the flu
18 - Snowball fight
19 - Stealing cars
20 - Solving mysteries
21 - Having tea
22 - Locked in jail
23 - Playing baseball
24 - Having a rap battle
25 - Going to the aquarium
26 - Skydiving
27 - Being the campaign manager for the avatar's political career
28 - Being stuck in a broken elevator
29 - Crossdressing
30 - Making out
31 - Being each other's wingmate on a double date
32 - Swallowed by a whale
33 - Fencing
34 - Going to a basketball game
35 - Running a lemonade stand
36 - Playing on a beach
37 - Trick-or-treating
38 - Drag racing
39 - Sleeping together (literal, nonsexual sense)
40 - Having a really nasty argument
41 - Babysitting a child
42 - Time travelled to the past
43 - Time travelled to the future
44 - Married for a day
45 - Running away from Godzilla
46 - Screwing in a lightbulb
47 - Falling into a ravine
48 - Lost in outer space
49 - Swimming in a pool
50 - Freaky Friday Flipped
51 - Reverted to 4 years old
52 - Having a romantic spaghetti dinner
53 - Attending a Broadway production
54 - Fighting crime with superpowers
55 - Dealing with poison ivy
56 - Eating pizza
57 - Playing video games
58 - Showering together
59 - Breaking into a bank
I got 32, so I'd spend the day with the above theoretical avatar swallowed by a whale. Yuck.
Edited by Parable on Aug 10th 2023 at 7:25:08 AM
Oh my, I think they will be much more adept than I at this!
edited 30th Nov '15 5:07:40 AM by Laithelryn
PINNACLE OF MAN
Luthien.
Huh. I'll probably need to get a guide to elves.
I am the most suitable partner for Gaia. I have some bad news. You will not make it to Eden. This is the end of your journey.
Wicked Flight
I'm sure this can't end well, whatever it is.
Well, I suppose a beach isn't that bad. Hopefully.
edited 30th Nov '15 5:15:07 AM by LaughterMostInsane
Sword goes in, gold comes out! Sword goes in, gold comes out! IN THIS PLACE, MEN BLEED GOLD! CUT THE JUGULAR! REAP THE SHINY HARVEST!
PINNACLE OF MAN
I don't think this'll end well, either.
I am the most suitable partner for Gaia. I have some bad news. You will not make it to Eden. This is the end of your journey.
Oh hey, not-a-dog!
OH COME ON! How come I always get the boring ones?!
edited 30th Nov '15 5:18:11 AM by gregnes2000
Jer gets all the girls
If you rob me, I swear...
Look, we're falling to our deaths, why are you still trying to rob me!?
edited 30th Nov '15 5:22:27 AM by Murataku
Everybody's all "Jerry's old and feeble" till they see him run down a skyscraper and hijack a helicopter mid-flight.
The man behind the slaughter
Guy with sunglasses....
Well that's.....mundane.
edited 30th Nov '15 7:17:29 AM by Superjohn
"Take your weapon; strike me down with all of your hatred, and your journey towards the Dark Side will be complete."
Goddess of Nature
...okay
I'M NOT JONAH!!!
edited 30th Nov '15 7:27:50 AM by powerpuffbats
You know, I have to wonder why Pit is obsessed with this site. It’s gonna ruin his life!
How sweet it is
Awww, those adorable siblings.
This is not going well for either of us. 
edited 30th Nov '15 7:30:09 AM by Berrenta
she/her | TRS needs your help! | Contributor of Trope Report
PINNACLE OF MAN
Please don't walk in that armor when you go for a walk, okay? It will make citizens uncomfortable.
I am the most suitable partner for Gaia. I have some bad news. You will not make it to Eden. This is the end of your journey.
Dread Pirate Captain
Zig. Hmm..
Oh, it's on...
edited 30th Nov '15 9:02:41 AM by DarkDestruction
Don't stop, just proceed, 'cause this is what you need-proceed, just proceed, 'cause this is what you need!
18's Glomp OF DOOM
Max and Chloe....
Well reverse time before you did something stupid.
edited 30th Nov '15 9:06:41 AM by Piando
I love you, Krillin!! -struggling to breathe- I love you as well, honey..
PINNACLE OF MAN
Krillin and 18? The first thing I will do is: give 18 an animal encyclopedia.
edited 30th Nov '15 9:07:56 AM by arcada188
I am the most suitable partner for Gaia. I have some bad news. You will not make it to Eden. This is the end of your journey.
Fly Air Madeline
Zig the Hyena...
We'll find a mermaid for sure!
edited 30th Nov '15 9:56:28 AM by lewattoo
"I'll show you all of Paris, I'll take you on a tour, we'll go up and up and up so high they'll long for an encore!"
18's Glomp OF DOOM
The nice Undertale child!
This'll be fun! His determination should probably let us get out preschool for the day.
![[down]](https://static.tvtropes.org/pmwiki/pub/smiles/arrow_down.png "[down]"){kind=icon}
She became a cyborg when she was a teenager. If she became a cyborg that early, she'd probably still be that way now.
edited 30th Nov '15 10:15:54 AM by Piando
I love you, Krillin!! -struggling to breathe- I love you as well, honey..
Krillin and 18.
Well that's just peachy. Is 18 even still a cyborg?
edited 30th Nov '15 10:14:32 AM by Anomalocaris20
You cannot firmly grasp the true form of Squidward's technique!
need bigger friends
Finish your turn cycle and then we'll talk, Robotnik. While you're at it do that cartoon cloud thing when you sprint away will ya? I love that thing.
I kinda know freaky, but the freakiest I can get is socks with crocs. Unless you want me to throw a yellow tank top in the mix. That's a freaky friday right?
edited 30th Nov '15 12:21:10 PM by Stolen_Moment
Try imagining how far the universe extends! Keep thinking about it until you go insane.
The Absolute Madman
Gee Bill?
Volley ball?
edited 30th Nov '15 4:20:41 PM by NegaKingKix
"We be we baby!"
One-Punch Brown?
I don't drink, and if he's Charlie Brown's age he won't be either.
edited 30th Nov '15 4:21:31 PM by Anomalocaris20
You cannot firmly grasp the true form of Squidward's technique!
Dread Pirate Captain
Dr. Robotnik and Sonic.
Excuse me while I look for the industrial grade Brain Bleach.
edited 30th Nov '15 4:22:15 PM by DarkDestruction
Don't stop, just proceed, 'cause this is what you need-proceed, just proceed, 'cause this is what you need!
The Absolute Madman
Final fantasy girls! Giggity!
-All three of us get bored and go back to my place-
edited 30th Nov '15 4:23:46 PM by NegaKingKix
"We be we baby!"
Goddess of Nature
These two again....FUCK BASKETBALL!
edited 30th Nov '15 4:23:02 PM by powerpuffbats
You know, I have to wonder why Pit is obsessed with this site. It’s gonna ruin his life!
Welp. Let's see what happens.
But I have no idea how to drag race...
edited 30th Nov '15 4:24:00 PM by gregnes2000
Popple, the Beanish thief with the pointiest erection ever.
I can't see him wanting to burn a place down, think of all the loot he'd burn?
But if I must be his Rookie in his new endeavor, so be it.
edited 30th Nov '15 4:24:58 PM by Anomalocaris20
You cannot firmly grasp the true form of Squidward's technique!
Trunks..
-achoo- D-don't you have meds for situations like this?
edited 30th Nov '15 4:42:43 AM by DarkDestruction
Don't stop, just proceed, 'cause this is what you need-proceed, just proceed, 'cause this is what you need!